Thanks for telling us this as I am one of those that may never know this fact about offline casinos because I don't use them, I prefer gambling online and it has become a part of me because it's how I started gambling, if online casinos never existed I will never become a gambler.
I was too shy to visit one when I was younger and also my father was still very much around, he never had wanted me and my siblings to go near any gambling activities. Online casinos will keep taking the upper hand because of it's simplicity and insta experience among other advantages. Online casino benefits remains unmatched for now.