Yeah, they would have been a lot more impressive if it wasn't obvious they hadn't looked at the post at all.
I didn't know much about NFTs until recently, part of my reason for getting this going it to educate/spread awareness about them. They're basically the digital, blockchain equivalent of things like limited edition prints or baseball/pokemon cards (splinterlands uses them too). I'm like you, I didn't even get a smartphone until 2018.
Averse to self promotion, yes, reclusive is more of a solid maybe. Definitely would rather let the art speak for them than have to do it themselves.
I figure if I make enough noise eventually people will investigate just to see what all the commotion is about...