Yeah, our current one isn’t into nip at all. We’ve had a couple over the years that didn’t like it as kittens, but once they hit 1 year old changed their minds.
Putting them in a window so they can watch cat TV from a perch, putting a towel down on their cat beds for a few days so it gets their scent and then putting on the cat furniture and #1, dousing the cat furniture with prime cat nip always worked for us. One or the other would usually lure them on and once they realized how much fun it was to be higher than mom and dad, they’d never go back to being floor cats. We’re down to one cat, but still have four six foot tall cat condos in front of various windows.
Some serious eye rolls there.