I had this issue for ages with Linux. Something about power saving kills the wifi connection. Fedora finally fixed whatever it is. Try booting off a fedora USB and seeing if it goes away.

I suspect that the majority of voters never wanted to leave in the first place. Results-wise, there was like 1.2% in it. And the leave voters were more likely to actually turn up. The problem is that too many “remainers” didn’t actually vote.