And you have to be vigilant, too. You can spend a day or two in full vibe code mode if you really want to ship a bunch of features fast, and they'll all work and it will feel amazing, all while it's secretly shitting all over your codebase, and you won't know it until it's too late. And not in a "oh now you just have to fix it up" way - if you go too long it may be just about as difficult to fix as it would have been to write.