Earlier quoted context omitted.
Medium has a prettier editor? I could get featured on the first page of medium if my content doesn't suck?
Game Theory. If everyone joins Medium to "get on the front page," then the probability of getting on the front page becomes that much lower. Also, getting on the front page of Medium is mostly irrelevant since you have mostly nil personal branding anyways. If you're going to hit #1 on Hacker News, do it on a website you own with your own content.
you mean lower