I don't care about jpegs, I think they are stupid and a scam but they shouldn't be stopped/censored, I don't even believe you can, that's the point of bitcoin. The high fees would always happen if bitcoin succeeded in larger scale. Saying that bitcoin is only for transactions is like saying electricity should only be for houses and not for mining. Even without jpegs ppl can fill the mempool just with trading/speculation. This also has the advantage of having a "stress test", a bit like a constant zapathon onchain. Many businesses where relying on a low fee onchain environment, now they are forced to implement lightning. Bisq is an example, many centralized exchanges will also need to implement.