That doesn't mean that entries are their problem, it just means that they had a problem.
Olof was playing incredibly crucial positions on ct side and kept getting less frags than he was supposed to. With Ropz slotting in there, they will have an easier time with those anti ecos which then strengthens their economy. Faze had a lot of games where they got their economy broken late into a half because the anti ecos were unclean and then they lost the matches.
And, of course, it'll also help on the t side