As someone who has been for as long as you have, and has watched your development from afar, I'll just do this in the spirit of honesty, and to save people a 1 hour video (Which can easily be played at 1.75x speed and still be completely understandable)
Spoiler, click to toggle visibilty
20 - "Folks were frustrated when I didn't respond to feedback as quickly as they would like, but I was still learning. Bit off more than I could chew, I should have started smaller. This created a negative impression of me"
00 - "I created Dante for 2D a fighting game before Capcom. I said this, and got crucified."
00 - "Bit off more than I could chew, should have started smaller than Dante"
00 - "Seth Killian knew who I was, the creator of Gouken for MUGEN. That helped me to get over the Mugen Community negativity. His acknowledgement was enough for me to regain my resolve, because I was being treated badly."
00 - "We're not here to help you make your character? OK, let me make my mistakes then"
40 - "Shout outs to the creators of Fighter Factory"
30 - "You saw me trying, struggling, and didn't help me." (Entitlement?)
00 - "Mugen was an escape from my complicated personal life. Started making SF3 Gouken"
00 - "Street Fighter Style? That shouldn't be too hard. Gouken doesn't exist, no point of comparison" (Hubris)
30 - "I'm very competent at playing fighting games. Shout outs to those I defeated. Just because I can't translate my understanding to creating MUGEN stuff, it doesn't mean I don't understand them"
50 - "Why making only POTS characters or Warusaki CVS2 accurate characters? Why not be a trendsetter, a trialblazer?" (Hubris)
46 - "Leave your mark, I know I did. People have talked about me for many years even if I wasn't around anymore" (Celebrity status?)
40 - "Make your characters for you" (No sense of compatibility, or roster completionism)
00 - "It's sad that we tear each other down when one of us is trying to climb up" - Why climb? Who were you trying to beat? Were you always just in it for the fame?
It's clear to me that you didn't fit in because you didn't come into these forums thinking what you could do for the community, you wanted to know what the community could do for you, whether it was praise, or escape from your personal life, or expecting people to teach you, your objective was never trying to fit in, and thus you didn't fit in.
Congrats on your other successful Youtube channel, maybe that was your true calling, or being a tournament player and attending events. Being part of THIS Mugen community sure wasn't meant to be, maybe you fit well in another Mugen forum and that's ok.