These are set up overseas to take advantage of some legislative loopholes, taxes and legal repercussions much like how Philippines has problems with offshore gaming institutions. Gen Z's are specifically the best prospects, they are abled young bodies that can work, want the get rich quick route, have a consumerist lifestyle thanks to influencers and tech savy enough that they don't get restricted by older folks that know better.
That's a horrible tax system, paying more for a bigger house is like an middle class move when it's the rich that can actually afford to buy larger houses and they pay less? Those gambling institutions are still ran by the rich, everything is ran by them in a network. Hope your government does a wealth tax. It's the same wish some groups here in the PH want but can't have because the lobbyists incentivize them not to try.