I sit down and play video games and forget what I needed to do

Write enormous screeds about how literally insane it is that the world is being actively destroyed at the behest of and for the benefit of a wealthy, powerful and profoundly mentally ill few.

Play video games and work in the garden.

The first likely accomplishes nothing of any note - even if other people recognize it, part of the insanity is that the psychopaths in power have arranged things so that nobody can stop them.

The second doesn't accomplish much of anything either, but they're at least situations in which my efforts aren't systematically undermined and exploited for the benefit of psychopaths. Instead of being rigged so that whatever I do benefits the ruling class, they're situations in which I can actually make choices solely based on what I think will work best in a given situation and reap the rewards if I choose correctly.

usually cycle back to realising no one can or will ever change the world and my activity is pointless

then i call my therapist

take a nap, me

Narrow the scope: I can only improve or change things that are MY responsibility. I do not need to take on anyone elses, if their project/job/life/relationship fails that is on them.

Things that are not in my control, I do not try to. I cant make other people happy, I can make myself happy.

I bingewatch shallow shit on Netflix and ignore the world as good as i can.

Excessively caffeinate I guess? That reminds me, I have a jug of cold brew in my fridge.

Edit: Immediate regret! Pre-made store bought coldbrew, absolutely vile and acidic. No I'm not throwing it out, yes I'm still going to drink it.

I recognize that my efforts are futile but i must go on trying more.

Start doing what you really want to do, and handle the blowback as a challenge.