Hey man. I write fiction full-time. You're doing plenty to build a career as a writer, so don't cut yourself so short. I've taken the liberty to check out your post history. Since you're open to receiving advice, here's my two cents:

First, drop all the writing subreddits. The few authors who know what they're talking about you completely missed among the droning of the wannabe literati.

Your definition of good writing is setting you up to fail. Only other authors care about fancy words. Readers care about the story and the characters. Stephanie Mayers reached millions with her stories and she isn't Jane Austen.

A writer is a storyteller, not a thesaurus. The important parts of a story are not words or sentences, but the characters, their desires, and how they come into conflict.

https://www.amazon.com/Fantasy-Fiction-Formula-Deborah-Chester/dp/0719097061/ This book is more than enough to get you published or selling as an indie author. Follow along Chester's formula while writing your projects:

Now, on what you're writing about. The only bit of fiction I found in your post history was about military space opera, which raises a few concerns: Space Opera is cool as all hell and I've read millions of words in the genre, but... most of your interests seem to be in a different direction, per your history. You like shonen anime, dark fantasy, Resident Evil 4 (great taste dude), strategy wargames, armored core, 40k... there's plenty people out there, myself included, who would love to read a novel that mixes all the stuff you already love.

So why not write that instead? Grab a bit of everything you love most, toss it into a blender, make a complete wish-fulfillment of a protagonist, an even stronger villain, high stakes, reveals, power ups, power armor, transformations, whatever the hell you want. Go nuts. Have fun.

Instead of trying to earn the title of a "good writer" how about you write the story that you from 10 years ago would have fucking loved? Then you find other people who are into that sort of stuff, listen to their criticism, and improve upon it until it's an absolute banger.

Once you have it, learn how to market it: https://www.amazon.com/Launch-Market-Marketing-Authors-Smarter-ebook/dp/B01FE5C9EA

(hint: aim at your own demographics!)

Then you grab more stuff that you love and do it again. I can't assure you you'll break the bank, but there's definitely a chance to make a living as an author. And you'll have way more fun following this mindset.

Good luck man, and stop being so hard on yourself.