I agree with you that there's more to people than numbers. But it's a lot easier to surface that when you have a frame of reference and some consistency in how you measure:
"so, last week you had a -23.5% contribution... You usually are on the positive side, so what's up?" and the employee tells me that their lead stuck them on a project where they hand no experience, and didn't have time to learn how to do x or y before getting thrown at a ticket... or, "I'm having some issues with <personal>..."
Stuff as a manager you can sometimes help a lot with... and other times, well, you can be supportive. Just because numbers are involved does not mean we have to be cold and heartless... At the same time, I've found managing without numbers to just lead to cliqe-y political culture where people's ability to schmooze is rewarded more than their contribution to the team and that drives away the most effective contributors.
> And hey, if you don’t need a full hour, it’s okay to make 1on1s shorter!
Agree... I think I just realized that the exception should be a long 1 on 1. Just because I schedule 15 minutes doesn't preclude taking more time if there's something in the 1 on 1 that should take longer.