When the tulip bubble popped it went to $0 pretty quick. Experts had been warning this crypto stuff was all hype / BS. I don't see $0 but I see $1000 or so in a few more months. Start investing again when that happens.
You compared apples with oranges and came with a conclusion that doesn't really apply neither to apples, nor to oranges.
Will Bitcoin price drop? Maybe. But DCA is better than waiting a price mark, especially if it's so extremely low as 1000$, because the lower it is, the lower the chance to happen to touch that value.
Will "this crypto stuff" drop to zero? Most of the altcoins, tokens and "crypto stuff" probably will. But most of those are just noise around Bitcoin...