I hope the trend of using 'Brexit' for every sort of sitation doesn't turn into

[Luis Anaconda]

another Watergate situation.

By adding gate to the end of scandal doesn't make any sense it was the name of the hotel.

Well it does make sense as people now know if the suffix -gate is used it denotes a scandal - that's kind of how language works. Of course how it came about makes no sense but no one cares about it