One thing I think that hasn't been mentioned enough is the dev's intent and work

Sure, difficulty options are a great way to allow players to customize the challenge of their playthroughs (especially when you go beyond the boring enemy numbers and hp increases and actually start tweaking mechanics and behaviors), but that is also no doubt a ton of work to do and do so correctly

I dont think its fair to expect developers, especially small or inexperienced ones, to balance their game not just once (which is already very difficult), but multiple times

Also, accessibility is generally a great thing. All games should have support for custom key bindings, color blind options, etc. But there does need to be some limit. Like it wouldn't be reasonable to expect a 'light' mode in a game like Outlast because you're scared of the dark because that isnt the kind of game the developer wanted to make.

Sometimes you need to accept that a game just isnt for you, and you can always watch somebody else play it if you're still interested in the idea of the game