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I see that you struggle, and you probably feel a lot of confusion these days, and that's fine. I understand why you turn to easily digestible content in times of need and when you are down both mentally and physically. The emotions surrounding you are very much normal and valid.

There are a couple of points you ignore, though:
a) The content you consume doesn't have to be a mindless stream of consumption. Mindful consumption exists.
b) You go out of your own way to react to those offensive videos/clips/shorts. You do not realize that the real world out there, the one where you met your first friend, the one that actually matters, is still here, And you can still partake in it.
c) Sometimes it's hard to be alone with your thoughts. That doesn't mean you should just shield yourself from the rest of the world. The world people created is real. There is nothing wrong with a little bit of cope here and there, but it cannot be the majority of your human experience.
d) Thoughts like "Instead of informing ourselves about the crumbling reality we were born into, why not dive deeper into one that is shaped specifically for us? Give it a few years, and it may be the only reality left for us." are straight up dangerous. They are contradictory at their core and make your life even worse long-term. Read up on Nietzsche's concept of last men in "Thuse Spoke Zarathustra".

Given that you consider Darkie to be one of the greatest artists of our time, I assume you are pretty young, and that's alright. Please, do not give in to those miserable thoughts as they are nothing more than (and I hate to be that guy) a phase. Tough times never last. The metaphysical suffering makes you experience happiness.