Red the article , it has 2 references to the companies which are mentioned there.
Both links go to company sites where they have news articles which are about newly gotten licenses. If those companies are legit themselves then the news are legit.
Besides Switzerland always has been the number one banking country and they do not want to lose that.
The news is true. The companies are also legit. But they are unneeded.
You are right about Switzerland banking system. Switzerland's banks are the safest banks all over the world with very low level of risks. Depositors are always protected. These are why Switzerland banks account are really especial. But all of these true only when we are talking about fiat money.
Cryptocurrencies don't need banks. Because we don't need bank accounts. Also, we don't need banks to send our money to others account. We have a decentralized wallet and some private keys. We don't need any thing more.