Yes and no. If you have mostly senior people who take responsibility for the code they write, then the amount of stuff getting picked up by QA will be more or l

Yes and no. If you have mostly senior people who take responsibility for the code they write, then the amount of stuff getting picked up by QA will be more or less the same IME. Code reviews catch some stuff but they can also slow down your team’s velocity disproportionately to the bug/arch issues it catches. YMMV of course. Some orgs have much more sane and pragmatic code review practices than others.