This doesn't make it "irrelevant" in the long term, just like the halvings aren't irrelevant now or into the future.
Halvings can also continue towards infinity if we so choose to continue "downloading" smaller denominations to ♾️.
Halvings have an impact on "price" even at the tail end of this scenario as more people starting from the bottom with skills can offer goods & services for Bitcoin.
This is the crux of "everything divided by 21m".