Also, real people who are trying to send money now have to wait longer for their transactions to confirm because of a bunch of message "transactions" in the mempool (unconfirmed transaction waiting list).
It does not necessarily have to be bitcoin blockchain, that is the approach towards achieving web 3.0, in which blockchain will be used to store data like vidoes or any of such, rather than relying on centralized organizations.
Nobody will store any videos on the blockchain. It is completely infeasible. Look at the data storage prices in the gas schedule for Ethereum, or even for any of its more-efficient competitors. —Then remember that those gas costs are supposed to be based on real-world resource costs.
“web3” stuff can use
IPFS, which I linked to
in my prior post, among other options for storing data that are too big or otherwise unsuitable on the blockchain.