There are no disappointments to be honest. Anyone expecting a sudden bull run immediately after the halving has indeed not studied bitcoin growth chart over the past few months.
The moment we are is crucial, it is a 50/50 situation with inability to predict when the bull run will commence, it is best to continue be on the look out
Well, the price usually tanks right after halving. Also, halving usually has a long-term affect on the price so that's quite stupid to await instant bullrun caused by it.