[zehaeva]

I am pretty sure that MOND has been completely ruled out[0] given some recent evidence. And by more than 5 sigma.

[0]https://bigthink.com/hard-science/dark-matter-alternative-mo...

[chorsestudios]

That article linked does not completely rule out MOND. It is a great article, but it even mentions several difficulties that complicate their observations.