The price fluctuates greatly, or there is no hedging, it is a bubble
Bubbles pop. I haven't seen Bitcoin pop yet. Once it breaks the previous ATH it tends to stay above it until the next halving. How long can a bubble last? If it goes on for 30 years is it still a bubble? When do people start to see it?
Has not been accepted yet, you cannot pay in most shops
You also can't pay with USD in most shops in the EU.
It faces a serious defect that the government/people are unwilling to give up the right to print money, so they will stop it in some way.
They can print all they want but people will eventually choose to keep their wealth in something that doesn't lose 5% every year.