> Classifying these services as gambling means they become a source of tax revenue for nation states

I mean Spain blocked these markets for now, to investigate how to deal with them, I don't think it's for sure they'll be classified as gambling and allowed, might very well be outlawed. Probably parent got confused you said "The whole world will eventually do the same" (about blocking/banning) but then seemingly you thought these were "classified as gambling" already.