Don't you see hundreds of people using bitcoin as a p2p payment method here every day for the last 10 years? How come it failed? Lol
The Bitcoin decentralized network has been operating lively since 2009, and it has lasted 15 years already. No failure of P2P transactions through Bitcoin blockchain over the past years.
Bitcoin is also important as a reserve of value to protect against inflation. It is both.
The inflation rate of Bitcoin drops 50% every 210,000 blocks or equivalently about every 4 years. Since Covid-19, inflation rates of many fiat currencies in many nations increase a lot, sharply and even exponentially. It's not hard to realize big differences in inflation rates among Bitcoin and fiat currencies.
Money Printing and Inflation: COVID, Cryptocurrencies and More. The inflation waves globally continue in 2024 and have yet stopped.