You're just procrastinating the easy part of CAD.

But this is actually like a lot of LLM applications. For example: it's not terribly hard to learn to write a song; you don't even need to know an instrument. The songs LLMs write aren't better than novice songwriters. The difficult bit is turning a basic song into a great song, and novices who've skipped writing the song itself won't be better at it.