The collapse of such a player would certainly crunch pricing and liquidity, but perhaps also clean up the activity to be more reflective of real demand.
Advisors really need to start to understand the basics of how blockchain works. Start to understand why there are different cryptocurrencies.
It's volatile right now, so you should not just go and fill your entire portfolio with cryptocurrencies. But it is a good way to add alternatives to your general allocation, something like 3 to 5 percent of your portfolio.