Exactly this is your mistake my dear. But this condition is not good. And there are many casinos which impose these kind of terms to the users. And some of them change the terms and conditions but they don't inform the users this is not good too. These casinos should bold these kind of terms in the terms and conditions page which will be clearly visible to the users and users will be aware.
All terms are important but usually players are not reading all the terms because most players read what are important terms for them.
Most players usually read about deposit/withdraw, KYC terms, restricted territories, and few other things.
Casino do not need to bold some specific terms, as long as it is listed then it is good to go already.
Players are the one who responsible to read all the terms carefully.
Highlighting some parts of the terms as important is the mistake casinos make, if casinos really want their users and potential users to completely read the terms and conditions of the casino, then they must change their pattern of writing the terms, and the first pattern is for them to stop highlighting some parts of the term, I would also suggest that, it's not so important to even have headlines, like subjects and so one, the terms and conditions can be written in such a manner like Judy one long paragraph, that way, no body will know exactly where that which they assume to be important is written, and as such, all gamblers will have no choice but to read the entire terms of service.
The issue IMO on ToS and people reading them is, you are basically having to read a book. Gamblers don't want to read a book before being able to gamble. They want to login, create an account, deposit, and then play. Casinos know that most people don't read the terms, but that's not their concern. It's there, read it or deal with the consequences.