As long as you have more fiat to keep on buying, you'll do fine. Yes, dollar cost averaging is the only way to buy the dips. Now, if you bought in way high and are out of fiat, that's a different problem.
Blame USDT.
No need to blame anyone. Reason is in both situations, when prices are up and down, you are good to go for buying and selling. So if crises are coming as well, no need to worry rather gets some money and buys Bitcoins as much as you can.
It is really fantastic to see that Bitcoins re there to help you in any case. So pack up and dont lose your confidence in bad times and good times.