This entire issue, in my opinion, is much more complex, and it always depends on the circumstances.
If my account is being verified or investigated and I am not sure if I will be able to withdraw my winnings from the casino, I probably would not feel the need to make any more deposits, for instance.
I believe that the topic of responsible gambling practices, which is very important and for which I thank you, is quite connected to your overall concern. If all casinos (management, executives) followed the same guidelines, it would be great. Some examples of these guidelines could be deposit caps, cool-off times, and the ability to prevent players from playing until their withdrawal is completed.
I fear the other part saying, "if all online casinos use the the same method for withdrawal as they do for deposit it would be a faster more efficient service, this is to convenient for my liking and no one want to speak to you about it" This is very unlikely on an international level. For instance, in Brazil, they have to use the PIX method, this one is completely out of the question for the rest of the world.
To the best of my knowledge, however, many casinos still only permit players to withdraw funds using the same method they used to make deposits. There is a good chance that an exception will occur because the current political climate is quite interesting and has made it difficult for many payment providers to collect payments.
Is this possibly the source of this topic? Please do not hesitate to be more detailed.
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