Not sure I understand the point of mcfly. zsh and fish have this functionality built in, where pressing Up with a command partially typed will give auto-completions to that partial match.
People join Lambchop on the second line so presumably those kids are singing about themselves. Or they just didn't take Lambchop serious and got stuck in the time loop singing to their doom before the regret even had a chance to set in.
Are you looking to just replace GH Pages or Github altogether? netlify is a nice step up from GitHub Pages. Once integrated with github or gitlab it will autodeploy changes from whatever branch you tell it. As a bonus, you get preview links on every pull request before merging and rolling out to your live site.
I prefer the term slot machine coding because you keep thinking you almost have a jackpot but there's one lemon in there so you get that rush to keep pulling the lever and expecting different results.
If you liked that, you'll like his "Wat" talk. https://www.destroyallsoftware.com/talks/wat