Are they biting the hand that feeds them?
Ok, who knows if other companies are also joining this pernicious trend?
On the other hand, when you visit their web site it is obvious that they don't speak and understand English very well--this may be something lost in translation.
I would view this as a business opportunity for competitors to tout the fact that said policy doesn't apply at "Gil's Yacht Chartering" or some other.
I don't see how it could be illegal as it is laid out for everyone before the contract is signed. If I tell you I am going to take your money, you have no recourse when I do just that :-)