Yeah to some it will seem that way
But they all have different wings, and not just by parting line. For example, I get a lot of people in-store who tell me their OLF flies like a Valkyrie. Well yeah they both share some lines when thrown certain ways. But if spend time with both discs and learn the strengths you see where the olf and Valkyrie are different
It's always going to be different strokes for different folks. That's why we have do many discs to choose from to begin with.