Maybe it's their way of trying to be more compliant? Even though 25 ETH hardly qualifies as an accredit investor
I don't think is enough to have a certain quantity of cash to be considered accredited, in here there is a basic explanation of the concept
https://www.investopedia.com/terms/a/accreditedinvestor.aspguys, there are no accredited investors in the cryptocurrency market. and your link says nothing about cryptocurrency
I think its a matter of fact that most investors prefer not to divulge their identities especially in crypto markets who I dont see any reason why an accreditation would be needed as such.