-snip-
Also add to these scenarios an important aspect : all of these eventual bans you described would only take place if either Bob or Alice are winning something because all the controls seem to take place onle when players are winning and everything is allowed until you register, deposit and lose to the casino....and unfortunately it seems to be industry tandard in crypot gambling.
Why would you waste time and resources on people who may not even play?
Because if they decide to play they are allowed to do so and they should know it since the beginning. Because those players waste their time and resources on your site.
Or people that lose and therefore are unable to cause an action that breaks the TOS (the relevant part here) to begin with? You need to learn a thing or two about running a business.
This question contains a wrong statement ( the bolded part).
Their TOS clearly state : "You are allowed to register only one Account. Registering and operating multiple Accounts (more than one) is strictly prohibited."
Being a winning player or a loser doesn't affect your ability to breack their TOS.
TOS are broken the moment you register your second account but given that anonimity is appreciated in crypto gambling ( at least at the beginning we are allowed to register an account anonimously) I understand it may be difficult if not impossible detecting a multiaccounter the moment they register their accounts.
However I find putting all your strength into play only when the player wins is a bit unethical way to run a business.
Anyway, back to this specific case, given that all FJ explanation are true, I would judge highly likely we are talking about a mutliaccounting case.