bro, I always had these thoughts, but it's not that hard to improve at this game. I remember when I completed Nine Circles, it was 2019 and I beat it in 11500 attempts lol. And I remember thinking how bad I am, and that I will never improve, that I hit "skill ceiling" or something like that.
Then I take a break, came back in beginning of 2021 and progressed from Hard Demons to Extreme just in half of year, and I also had 2 1-month breaks since I came back
As long as you play stuff that is hard for you - you improve, no matter what happens
I remember when my hardest was Jumper, I watched video where someone beats clutterfunk and I was shocked by it's difficulty, I thought I will never beat it. Then I had these thoughts about other levels. But how I understand, that things that I'm playing rn, will be a lot easier for me later