I don't know how you would define yourself, but my theory is more introverted you are more impacts there are to the shift to WFH. (I find myself introverted and I feel this will impact me in long run...)

At work, it is often a routine, that you talk to people, maybe befriending some of the frequent encounters. That dynamic is reduced if not lost, with WFH.

Extroverted people actively pursue social activities outside of the work, but if you are not, then it is possible work could be only opportunity you are speaking with people outside of you circle.