That may be because there are regulations in each place, which means that offline casinos must always follow and comply with the regulations made by the regulator. If the casino doesn't do so, regulators can punish it with huge penalties or fines. Meanwhile, for online, the settings may depend on where they register their domain name. There may be many other reasons that we don't know for sure, especially since they won't reveal it to the public because it is part of the company's secrets. With such things, people who switch from offline casinos to online casinos will still see the online casino as a trusted casino because the casino has already gained popularity offline. Meanwhile, the online presence gets the record of being a shady casino.