It probably means dominance in terms of how it “won” against piracy by being so difficult to bypass on games that had it that very few people knew how to do it. And even then, it took a lot of time and hard work to the point where some of them gave up.
Dominance of what exactly? There are countless games that don’t use this garbage.
Read more than the headline and you’ll have less questions.
Literally the first paragraph in the article answers your question.
It probably means dominance in terms of how it “won” against piracy by being so difficult to bypass on games that had it that very few people knew how to do it. And even then, it took a lot of time and hard work to the point where some of them gave up.