What you're describing there sounds like normal anti-money laundering regulations that they are required to fulfill. Due to the nature of their business there w

What you're describing there sounds like normal anti-money laundering regulations that they are required to fulfill. Due to the nature of their business there will always be a certain number of cases where they have to investigate and seek documentation to show they're not just mindlessly laundering money, as they scale up those processes will scale up to. In the UK you basically can't deposit money into an online gambling website without submitting a photographic ID - it's just regulation.