day by day the number of bitcoin users always increases. it may be because they can find many advantages in bitcoin. i predict there may be 85% people around the world use bitcoin in 2022 and it may not affect the damage of fiat system.
Yes probably everyone will still use bitcoins in that year because as of now the growth of traders that are holding their coins for a very long time is increasing. Every trader has their own mindset that holding a coin will increase its value periodically.