Honestly my guy, you are not terrible person. I get where you’re at though, humans are social creatures and we do everything in power to make social reality actual reality. But you gotta remember that actual reality is the thing that actually exists not the social reality. We made that one up. And in the real reality the one that matters, you just exist nothing more nothing less. There is no wrong or right just existence.
I hope you can find people who are not living in the fake social reality and at least try to live in real reality. They will be your people. I found some of mine, I believe you will find yours.
It’s really not about being “the weird kid”, some of us just legitimately have light sensitivity. Me and all my siblings have it, cause my mom has it. My dad is the only one who likes bright lights and the rest of us prefer darker lighting. Well I do like the sun, so not always, but most indoor lighting feels way brighter than sunlight and feels strange on my eyes.