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You are funny bro. Do you mean we should go through all the stress because of casinos? That's worth it to preserve our money but not fair at all. Family members should have their private lives, what if a member doesn't want some or the entire family to know he/she gambles? It's so ridiculous and self-serving by casinos to be candid. I will now be asking my family members A, B, C, D...etc, and even the extended family members who came to visit whether they are gambling at a particular casino so that our IPs will not clash. What about your friends, your family member's friends, will you ask all of them? The link is countless, how convenient is that simply because you want to gamble?
The solution is pretty simple, mandatory KYC before gambling a penny or depositing a dime.
Casinos have to protect themselves also, just think of what's going on in this forum with multi-accounts and whenever somebody is caught we have the same story, it was my brother, it was my wife and so on! With casinos, it's clear as the sky there will be hundreds wanting to take advantage of depositing bonuses and claiming it's their family playing, their relative, their cat opened by mistake the betting app, and so on!
I wish it's as simple as that, the KYC verification may help in a few cases if the casino has integrity but it can't in most casinos. Casinos do not give players an audience anymore in many cases despite knowing that family members could be using the same Wifi/Mifi, this is certainly not fair. Many alleged multiple-account victims are innocent, but they do not care because they will gain more by confiscating their money. You will not see them doing that when the account is empty but when has enough funds, don't you sense conspiracy? If the different cases were treated fairly and separately, they would discover many are innocent as many of these accounts are gambling entirely differently in ways void of cheating whatsoever. But the casino will close the account regardless. What defence can they give if not for the weak regulation?