There’s a lot of collaboration and spontaneous connection that happens in hallways and kitchenettes. That’s the sort of thing that isn’t immediately obvious, but becomes more noticeable as time goes on. The first months of the pandemic people were able to coast on their existing connections, but it becomes harder years on, especially if half your team has _never_ met in person or come to company HQ. In the before tim…
There are also several good applications for internet collaboration that simulate a rich shared 2d or 3d or video space.
Or things like GitHub issues and Wikis.
Networking, mentorship, company culture, etc. can all happen over the internet. You make it part of the company culture to use the remote collaboration tools for these things routinely.
So if it's someone's job to mentor someone else then you tell them and the other person getting mentored. That 100% can be done with a text chat. But you can also do screen shares, remote code collaboration, voice and video chats, or simply an at mention in a GitHub issue. If one or both employees cannot or will not use the tools and accomplish this mentorship then you warn them and if they continue to refuse then you fire them.