Not long time ago I played in one that requires x3 wagering (won't tell the name so as not to harm them).
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If the casino has already warned players about it in their terms of use, then there's really no harm in sharing that information publicly. I mean, it's not like it's a secret or anything. Plus, there's a whole list of other platforms with the same practice, so it's not like this is something unique. But, if the casino didn't even mention the wagering requirement in their terms, then it's only right to put that info out there so others can make a more informed choice.
Actually casinos already included their rules regarding with this in their terms and conditions and the mistake at the same time is on the player because we cannot deny the fact that most of the gamblers did not read the terms and conditions and also the Faqs regarding with the deposit, rewards, withdrawals and etc. as long as they get caught with the bonuses and see this could be good source of profit to them while playing gambling, and they will seek only these once they didn't receive the reward or they have trouble with their funds.