I've used a lot of registrars over the years, and overall Namecheap has been the best experience. I wish they supported U2F, but other than that, no complaints.
You don't know he's lying, you just assume it because he didn't cite a source. It's not the first time I've heard people make his claim, so it might not be baseless.
Thank you for founding this project. I've been playing around with DAT, and using it with this the browser seems very promising. Keep up the great work.