Could be that people are trading in their bitcoins for as you said property, vacations, enjoying their investments?
Buying in at 4000.00 is a lot to say the least, but depending on the outcome, who is to say it don't hit 100000?
I know poeope investing and buying gold and silver for sure, but it's good to have some bitcoins as well as a few others but I don't think we've reached the peak, not enough people even know about cryprocurrency.
Time wili tell....