Ordinals aren't trading cards. Value is certainly subjective, speculate over lines and graphs on games and screens all they want. Ownership is what we're talking about. Ordinal theory simply put is an arbitrary ownership scheme, it has little to do with Bitcoin.
Have you considered that they're just retarded? Trying to monetize ownership of arbitrary data burning Bitcoin UTXOs, has happened plenty of times and doesn't go anywhere with or without taproot.
If people are interested in the fun of getting paid for arbitrary data, you're already on nostr 🙂⚡