When btc will be replacing money in terms of salary anyone who will one 1 BTC only will benefit a lot as with price increasing people will get salary of cca. 2000 sats and 1 l of milk will cost 1 sat in the store.
Bitcoin is already being used as both a store of value and speculative investment. Soon, it may become a viable means of payment. New payment systems or asset classes do not emerge overnight but it is worth noting that the concept of money has evolved, even in our lifetime, from cash to digital or contactless payments.