If you're just building a non-security-sensitive frontend to validate market traction, it makes total sense to go full AI. The commenter working at a 10-person company getting flamed for not using AI to iterate aggresively against competitors has a super valid point.

Validation methods will evolve to accommodate human laziness. Insisting on doing it the hard way is no different than the old-timers who used to claim engineers 'weren't skilled' if they didn't know how to use punch cards.