I think they increased tax because one who can afford gambling even after covid-19 has excessive money and government would love to take some
.I think they badly need money, Argentina has one of the worse CoVid case and they want money and need money and they will get it in any industry that makes a profit in times of pandemic and online gambling is one of the industry that making huge profit from lock down, because people are at home and had a lot of time to play.