Yes it is.  However, I disagree with Odysee owning the subscriptions.  The issue is the end-user is separated from the protocol by Odysee's app acting as the middle man.

Instead, I advocate creators interact with the protocol directly using the gateways and a wallet, and then fans can follow via RSS.  We outlined this here: https://simplifiedprivacy.com/arweave-amazing/ar.html