I imagine it's twofold:I don't think i've ever seen any other game focused YouTuber title videos like "A Call of Duty Player Plays Battlefield" and then milk it for months. But maybe they have.
1- she has a (new & enthusiastic) audience who are interested in her SC content, some in particular attracted by the angle. Elite no, SC yes.
2- that audience know the formulation of words and use them to search and recognise the brand. Don't mess with what works!