I believe - and I don't know all the ins and out, and there's plenty of questionable information bouncing around - that a significant-enough element of all this is the bookie's
interpretation of documented 'guidelines' in tandem with trying to protect themselves from any potential fines.
Do I really think any bookie's action wrt affordability checks is about protecting punters? Do I bollocks. It's the same as anyone working in the corporate world (as an employee, parallel - punter) gets with their objectives and annual performance reviews. Lip service and pretence. Cos it has to be done. At a company level (parallel - bookie) they don't give a fu*k as long as anything can't harm them. It's only at a 'person' level that anyone cares, because there it's human care and emotion that
might come to the fore (if it's allowed to).
So, at the higher figures, it may well be more about money-laundering (or more to the point, anything that could even within a furlong of the hint of money-laundering) rather than trying to protect a gambler from themselves.
This (appears to be what) explains what they've been 'advised' to 'consider'...
https://www.gamblingcommission.gov....me-act-2002/poca-part-2-4-risk-based-approach
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At the normal 'me' level, yeah it's more about avoiding 'problem-gambling' related fines.
I
think this is the most relevant page...
https://www.gamblingcommission.gov....-formal-guidance-for-premises-based-operators
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In the case of Iceo's owner, you'd have to heavily suspect that the first of these, AML, was at the root of the actions taken by whichever book was involved.
PS I don't believe for one second that any of this would be used by a bookie (that any of us know, you know the names) to
avoid paying out on a bet to a legitimate punter. It's just a tick-box exercise till they get clarity or someone official scraps the whole show.