Across 6 jobs now I've never seen code reviews focus primarily on formatting or style over functionality or future-looking concerns. How common is this, really?

Across 6 jobs now I've never seen code reviews focus primarily on formatting or style over functionality or future-looking concerns. How common is this, really? At the last couple places formatting has been handled by auto-linters; before that, it was hit or miss, but never a dominant topic of argument.