I've seen this too. It definitely takes remote workers much longer to on-board and get up to speed. And once they are up to speed they tend to impart much less

I've seen this too. It definitely takes remote workers much longer to on-board and get up to speed. And once they are up to speed they tend to impart much less of their knowledge to new employees coming in. Remote work seems to work much better for more experienced employees who aren't doing a ton of collaborative work.