The rules of the coins.ph especially the major rules are based on the law of the land.
We should not be disappointed if we get our accounts block because ignorance of the law excuses no one, and when it says don't use your account for gambling purposes, then just follow if you don't want any problem.
True. They have reminders upon logging in on account and that's why there's no more excuse if they caught you and traced where your deposit came from.
A lot in the past have been exampled of it but it's during the ATH on 2017. People never read the rules regarding about source of funds and that's why they've also silently implemented a wave of ban to those accounts. This time, they've got a lot of new users that are not aware of it so it's normal for them to educate everyone with this rule that they've got and they're now stricter unlike before.