No. I’m reasonably sure it’s a massive misconception. He’s the only person “using” it because it’s fragile, dangerous and requires some stupidly expensive and difficult process to apply it. It’s controlled by an aerospace manufacturing company who only lets him use it. It’s not something that can be bought. It’s not even paint, it’s a process to bind carbon nanotubes to surfaces. Kapoor has absolutely no say in who uses the stuff, and he sure as hell doesn’t own it.
Apparently the whole thing started because another artist (Stuart Semple, a known grifter) realised he could lie about Kapoor and sell his own paints if everyone thought he was the douche.
Long article if you care to read it, guy who actually made the stuff just doesn’t want to work with a bunch of different artists when he’s meant to be putting it in satellites: www.gq-magazine.co.uk/…/vantablack-anish-kapoor