If Javascript is so bad just make any other JIT compiler run in browsers. Defeat the argument with action.
I'm comfortable with my build process. I have a package.json and a gulpfile.js. I run npm i, then gulp dev. For every new project this is automatic.
Don't follow trends if you don't want to, but I don't believe anything in the OP was difficult if you understand why you're doing it and learn it properly.