Bitcoin is good to be an asset. Not a currency. it's too volatile. Bitcoin can go up and down, it's to be traded and made profit, not used to buy things. Currencies are mean't to be unstable, they're meant to be a sort of ruler to measure the value of a good. How can you find the length of something when your cm/m values are always changing?
Exactly, one of the most important aspects of money is that it is a stable store of value. Highly volatile assets fail this crucial test.
does not rule out the possibility that, bitcoin prices in the future will be stable
When the market cap of bitcoin becomes very big, it is more difficulty to pump and dump. So it will be more stable.