Why would an aftermarket brand work better than OEM, when the number of remote manufacturers is very small? URC and Celedon make a large number of OEM remotes and I have to think that anyone who would need a replacement can go directly to those two companies.
Could you post a photo of your remote from Remotes.com?
I have no idea why, but they do. I assume they are better designed, built and use higher grade components.
They have better range, and the units always respond and fast. Both the remotes failed for my Marantz 7701 AVPs. One of the failed in a way, that almost made me recycle one of my 7701s!
I have nothing but good to say about those remotes from Remotes.com.