Exactly! Long before remote attestation is used for half of the things we're talking about here (eg prohibiting Adblock), its functionality will have been normalized for other seemingly-necessary uses. People will be wanting to buy devices with RA, similar to how they currently want to buy computers with secure boot and HDCP so they can watch better quality Netflix. And that's the scary part.
It also makes it harder to spread awareness of the threat, since the really concerning implications sound farfetched. Not thinking about it too hard, why would anybody buy a computer that restricts what they can do? Well, the Market finds a way.