The following two: > or social anxiety, or they haven't learned that skill or they have been stuck on an issue with no progress > or they've learned managemen

The following two: > or social anxiety, or they haven't learned that skill or they have been stuck on an issue with no progress > or they've learned management makes their life harder are radically different problems; the former two belong to the developer, the latter to the manager. Actually, standup is the best opportunity to communicate that there is a problem (a dev stuck with an issue) and find out how that can be better approached/solved.