Whenever I see this type of topics which are common after a bullrun correction, I get reminded of the bitcoin obituaries topic by 99bitcoins. Here in the link in case the newer users are not aware of the site:

https://99bitcoins.com/bitcoin-obituaries/

Bitcoin is definitely suitable as a means of payment. Volatility of price rarely affects the numerical value of the article in BTC, you can do the math yourself and see. But the number of merchants accepting crypto may not be that decent to be proud of, but we are improving on that.

As long as people use bitcoin, it is anything but dead. On the contrary, many altcoins are actually dead.