Yes, a lot of people are moving away from alt-coins so they can get bitcoin into their wallets for the fork(s). Many people will get their Bitcoin Gold and Bitcoin SegWit2x and sell them immediately, then move into alt coins again. Remember Warren Buffet's rule of investing:
What a great phrase, I`ll try to remember it. It is indeed a tough psychological time for investors in crypto like us, but if you had plan and had calculated the risks you should be just fine.