So the rinnengan looses all the passive abilities from the sharringan? One of the reasons sharrigan sees through genjutsu is because it has the ability to see chakra which the rinnengan can do.
How is a short to mid range genjutsu going to help when they're using abilites like shinra tensei/mokuton forests from a long range?
Hashirama's mokutons techniques would have to have chakra running through them for them to do anything. You're also neglecting Nagato's
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he used through the path which works on contact, he was able to see everything that was going on in his village with this. You act like this bringer of darkness is an automatic ko when Hiruzen easily navigated through it without the use of sensing or a doujutsu, it also dispelled when he caught Hashirama. Or he can simply break it with traditional means like disrupting his chakra.
I haven't made up any feats you're under the assumption that rinnengan looses everything the sharringan can do when it evolves even though every sharringan ability is derived from the rinnengan.