We may not like "their" use case, but Bitcoin was designed to be permissionless and censorship-resistant. That means anyone can use it in the way they want as long as their use case is following the consensus rules. From a technical viewpoint, what changed?
From a technical viewpoint, Bitcoin's code was changed with the Taproot patch that moved Bitcoin away from being purely a peer-to-peer electronic payment system as Satoshi envisioned, to include the "latest thing". One of the developers referred to this as "security regression." This is not what Bitcoin was designed to be.