It looks to me like there were only some people speculating on the price of bitcoins based on the ETF passing. Bitcoins are still holding steady and we're still going to see huge rises in the future, ETF or not.
No matter how you turn it, Bitcoin for most people is just a speculative investment tool. If they see something that might push the price to much higher levels, then it's obvious that people will jump on it with the result that the hype is gaining size. This time it was the ETF and next time it will be something else that people will hold on to and start speculating in the wildest possible manner.