But that's the "problem" with Ordinals, some of those being built, and communities formed, might be incentived to keep "spamming" the blockchain because some users found out that dick pics/fart sounds are valuable, and they could make profit from them. It's not a real problem by itself, but it's definitely an inconvenience for users who want to use Bitcoin for financial transactions.
For a user who sends a dick pics or fart sound hoping to make a profit, this is also a financial transaction. And he paid the current actual price for its inclusion in the blockchain. And he paid the current actual price for its inclusion in the blockchain. This use case of the bitcoin network seems unusual to you, but this does not make it wrong. Don't worry, bitcoin has already proven itself anti-fragile enough not to break at the sound of a fart.