I disagree with your point of view, perhaps every place is different. From what I understand, offline agent gambling is usually more reliable than online gambling companies. If an agent runs away with the money, their superiors will be responsible for handling the funds. I have only heard of gamblers running away with the agent's money, never heard of agents running away with the gambler's money. Anything can happen in any situation, but I'm referring to the majority of cases. For amounts below $500,000 USD, Bet365 can still accept it, but I am still somewhat concerned about larger amounts. Withdrawals also take longer to process. Only offline accepts larger bets.
Okay, so how you would be able to explain about gamblers running away with agents money? Care to explain please. 
We know that if on the time that we are really that making out some bets through agents and hit up big time then its up to you whether those winnings would be taken handle by that agent or you would really be claiming it for yourself on which it would really be just that normal that you would really be that too confident that the agent will really be bringing up those amounts until temptation do kicks in and this is where problems do really start.
Just like on what others been saying that human beings are naturally greedy and on the time that they do able to hold an amount that they have never ever in their
lives that they do able to do so, then tendency or chances that those amount would really be ran away.