This shows pretty clearly that behind all the posturing and deflecting we've seen over the past decade, the crypto world is really embracing its profound pyramid scheme nature. Any supposed "tech" is only valuable if it can be used to pump the price. Projects like Monero or Ethereum that actually attempted to improve the tech fare no better than LiteCoin clone #25156. Projects like Iota and Nano who once aimed to revolutionize cryptocurrencies have faded into irrelevancy and are now largely ignored.
At this point there's usually somebody who replies "but I actually use Bitcoin for grocery shopping, it works" and I'm sure that you do, but you have to be aware that you're part of a vanishingly small minority.
XMR for example already gets plenty of use on Darknet markets.
Widespread adoption takes time. In the meantime you have volatility and people trying to cash in on volatility. It’s not a big deal, just ignore it, what matters is the tech - which, as XMR has proven, is what matters when push comes to shove.
Capital controls (blocking foreign exchange) are stupid because for every person selling a hyperinflationary currency, there is someone on the other side paying with a stable currency who is partially relieving some of the inflation pressure.
There are Venezuelans in Miami that send their paychecks back home to support the local economy yet capital controls prevent something like this from happening.
Just because most people in first world countries only see cryptocurrencies as speculative toys it doesn't mean they're without uses for the rest of the world, even if those uses can be seen as immoral or against the spirit of the law from a western point of view.