Perhaps these fiat- crypto payment gateways are ditching casino businesses because it might seem that they have less profit and more regulators bearing down as compared to others who don't focus on casino businesses at all.
One shouldn't blame them for the decision to ditch casinos but be hopeful instead that other crypto- payment gateways would be developed to facilitate fiat- crypto payments for emerging casino businesses who are yet to discover this looming issue.
The struggle they must be having with regulators must be very harsh if they have preferred not longer to offer liquidity to gamblers, specially if we keep in mind that gambling is specially relevant in this ecosystem, in both a historical and economical context.
Makes me wonder what kind of market these payment processors could aim at, in order to cover all the volume whey are missing out by not engaging with casinos. Big players of other internet industries do not seem to be eager to adopt cryptocurrency, for example, Amazon doing some partnership with them would be a huge deal, but unfortunately that is unlikely to happen.
This also reminds me the occasion traditional payment processors cut ties with adult content webs, and the latter ones has to move onto crypto to continue to carry on.