Even after theymos found it after this thread creation or if he knew before, he said it's OK for him.
I don't see it as a violation of the treasury agreement
he didn't say ok.. he said its a bit tacky.
but it's... a bit tacky, I guess. I suppose an analogy would be a fine-art storage company selling selfies with famous artworks.
to educate those not to into slang tacky = trashy or cheap.
hope that helps clear that up for you non native speakers