Having a 1 on 1 with each report every 2 weeks is the problem here, not the amount of people. Where did this 1 on 1 stuff make it into the manager bible? You do

Having a 1 on 1 with each report every 2 weeks is the problem here, not the amount of people. Where did this 1 on 1 stuff make it into the manager bible? You do your job and if you don't like something, ask for a 1 on 1. If your senior notices something, he arranges a 1 on 1. But this is also way too late already. A good manager picks up on issues way before this point.