That's true, though I'm not convinced it needs to be a top 10 IP (I doubt Tiana falls into that category, nor Coco). But, I'm also not convinced they pick the ones that best fit either. While everyone hated Zootopia, I think most liked Moana in there. Maybe Indy still remains the other ride (cause really his adventures can be anywhere with a story). I think the one everyone is struggling with is Encanto right now. Again, not my movie at all, but it just feels like there could have been better IP to draw on for even a Tropical America area.
But I also think you get to the issue of why closing down Dino to do this would be an issue. If it's a new land, it'd be real easy to have a walkthrough animal area, and then just 1 ride based on IP (and if you went Moana, add in a really nice splash pad as well). Since nothing was removed, it's a net gain. But when you are removing things, you are shoehorning yourself into needing to add at least the same amount of things taken away. Now you need to figure out 3 or so things to add, and you really can't do them all for a singular IP.