"Whenever a group migrates to another medium, there are always people who stay behind. You can never get people to agree on anything."
You would be surprised how flexible students get when their grade is on the line. Trust me, no one is staying behind in my classes. They are all learning how to use whatever I tell them they need to learn how to use.
If they are capable of learning proof-based multivariable calculus, they are capable of clicking on a Jitsi link.
I don't see the need to for group cohesion actually. When the need arises for everyone to meet on one platform, they usually do it and if they don't that's a pretty good indication they didn't care about the meeting very much.
All my family and friends contact me over Telegram, for example.
