I read many people worrying about the volatility, but I think the company made a very good decision that protects their employees:
They only get in BTC anything above minimum wage. As the name implies, even if the BTC part of their salary went down or even to complete 0, the remaining fiat portion of the salary is still, well, the minimum wage, so something that people should be able to live on. So the company isn't putting the employees at risk imho.
And sure, the Bitcoin price sometimes drops by 50%. But in the long run it's a damn straight line upwards, so what the employees which opt in are doing, is DCA'ing every month automatically, which is a great idea.
And if they really need to touch those BTC funds short term, they can either sell a portion on an exchange again or just buy Bitrefill giftcards for their local grocery store, Amazon, clothing shops etc. or use a BTC credit card.
It's not uncommon to even receive 50% or more of your salary in Bitcoin in the U.S., since they have services which allow employers to pay in regular bank transfers, but the employees receive all BTC or part BTC, part USD.
And they don't just HODL that BTC either, but also use it in shops that allow Bitcoin payments and through services like
Bitrefill and
Lastbit, for example.