I don't think watching someone "code" (God, I hate this word) is going to teach you much.
It might teach you about what tools he uses, and what keyboard shortcuts he likes, but not about the more important tasks of understanding problems, and organising solutions. That's what makes writing software hard, not the "coding" part.
Don't worry about what others might think of you. But do worry about what you think about yourself. Aside from the facts that you mentioned what do you think about yourself right now? Are you happy with your body? are you happy with your career? are you happy with your hobbies? Do you eat well? Do you exercise regularly? Do you take care of yourself well? ...
Bottom line: Be someone YOU respect and like. The rest will take care of itself.
It really leaves me shrugging my shoulders when I see titles like "such and such written in such and such language/framework". Like saying that writing a window manager in Rust (or whatever) is interesting just because it is in Rust.
Tell me, what does it bring to the table compared to other window managers ?
I have to admit I was expecting a little more than this. Why don't you rename the project into ``Bootstrap dropdown replacement'' or something, it would be more accurate.