Libra has raised fears about the future of blockchain mainly because it goes against everything the community wants and believes in: decentralization.
Facebook could ultimately create a massive closed-loop revenue model from ads, digital marketplace, to payments. Do consumers want to bet on the status quo of existing monoliths?
https://elixxir.io/blog/is-libra-the-future-anyone-wants No, everyone wants it become real cause they can buy and sell it to make profit for a short time,
But governments and other big organizations never want facebook's coin to be real. There are too much side effect for such a big company as facebook. One of the biggest was washing money.