I do fullstack for startups, I'd say this is a quick "eaten by vercel/lovable" play, if they don't exit to one of their complementary solutions providers immediately, it'll be fun to see where they get to!
DevOps is a bit of a different beast. I've mainly worked at startups and those ones could never run on vercel or edge. That DevOps is a different beast, not easy to AI. None of us are letting the agents go ham or make arch decisions. They certainly help with the tedious IaC