[actionfromafar]

It will probably raise the floor a lot. The least competent (not meaning in a bad way! I was one of those) coders will be a lot more competent all of a sudden.

[uoaei]

I'm skeptical. It's easy to make something sound correct at a first glance but that has subtle fundamental flaws that invalidate it.

Knowing humans and the LGTM phenomenon, these kinds of issues will slip by quite readily.