The other thing I’d add is a mandatory system where people can tell the company not to allow them to bet with a lengthy time delay (say 90 days) to remove themselves from the list. Most people with problems know they have them at least some of the time and it’s important to give them tools to prevent moments of weakness.
>>acdha+(OP)
Self exclusion is something that is handled by each states gaming enforcement department. All 34 states that have a self-exclusion program also have wildly different policies.
>>acdha+(OP)
They have a system for this in the UK https://www.gamstop.co.uk/ - though I only know it exists from TV adverts (presumably they are legally obligated to run these)