1. Depending on my planning
2. I can be. But if I think they're not contributing any good to anything I will avoid them. I also would dislike unforgivable people.
3. Neither should be done, it's best to have a mix of both
Meritocracy - every person who goes on the island has to prove themselves. By extensive testing and trials. Probably if I had the ability to create VR I would use it so I can push human nature to the limits and they won't die (also to not inflict traumas)
I'd also invent a tool to scan the person's true nature if there are unsuspecting actors. I will put my desired values in it. It will give me feedback based on the compatibility to my values.
The feedback will be {desirable - less desirable and less undesirable - undesirable - evaluate for expulsion}
Any person will get a rating based on the tests, but they will be demoted and promoted based on their actions. I won't filter out every bad thing because I would be just strangling them, but I won't allow corruption or ruining innocent's lives.
If they want to be promoted then they must toil based on what they can do.
Any grave crime, and additionally any psychos will be held on trial and expulsed (probably I will make an example, but the humans will
do it, before doing so)
4. Planning for everything regarding the future. Everything would be gradual, experimental, and moderate so it would be progressive and present and future oriented.
human-related issues like
plagues and medicine; sanitation, settlement, real estate and housing; governance, authority and system which would be probably voting that is educated and needed to be earned; mandatory education and correction facilities (probably with secular, open-minded, intellectual, and honest but capable values) to facilitate adapting to my world, instill the importance of not learning and not repeating past mistakes and mistakes in history, sort out time and culture differences, toxicity, xenophobia, extremism, sheep-thinking, addiction, discrimination, fanaticism, and other social issues. Critical thinking and creativity are the most important things to teach; population control; resources stock and procurement; transportation; entertainment and all things related to culture; wealth distribution and the like; establishing all sectors blah blah. I'll accept all genders, but every person must have a child, whether by conception, adoption, or artificially (I'm not sure of the future) and also having councilors for marriages, families, and parenting. Monogamy, polygamy, divorces, remarriages, annulment etc? I'll do my best, and leave the uncertain parts to the experts and let it be developed steadily ??
But there is no perfect government. I guess I would increase transparency in all actions in all sectors, and promote open-ness or honesty as much as possible in the culture and traditions so that problems can be solved given effort, while still being capable. Also, if there are invaders of course there would be training and protocol regarding that and their treatment. Also, there is no true equality in my opinion, but fairness in opportunities and in the system would be important in everything.
Of course I would do the thinking, but I would get help from professional humans. And I won't spoon-feed them but let them be capable of managing themselves and creating everything themselves together - creating a symbiotic relationship, a sense of belonging, and respect and admiration towards me. Maybe I will make a body that transcends human looks to inspire authority? But even if I talked about 'righteous' things, I would surely make the government continually improve, while putting hard rules for the benefit of me and me only - there would be no human rights, only humane values and actions, with corresponding punishment for breaking it.
Dealing with inevitable issues important to the world like industrialization, global-warming, conservation, recycling, instilling non-wastefulness, pollution, resource depletion regulation and recovery, disasters, terraforming and nature, gradual development and more unmentioned.
There would be more, but it is unneeded to be said here, nor can I think of more for now ?
Also though, psychologists and communities for everybody.
TL;DR - learning from earth's ingenuity and mistakes, and emphasizing the importance of progressiveness, open-ness, and not repeating history.
edit: Does the world have magic, cultivation, fantasy, supernatural stuff, systems, sci-fi rules etc.
Cause I would develop those, but technology as a priority.