For us this wouldn't work. PR's are a great way of giving feedback and teaching junior devs. It also gives people people an idea of whats going on with the codebase and provides a way to align code style.
Pair programming.. sure.. but PP is so resource intensive and often it's better to have people focus by themselves imho.
Pair programming.. sure.. but PP is so resource intensive and often it's better to have people focus by themselves imho.