Yes, it won't go away and fees won't fix it (if it is an attack and not just gambling). It is a cheap attack vector as degen shitcoin traders help sustain and hide the attack.
What if they clog up mempool and make it unusable for months?
What if miners get dependent on high fees and become bitches of those who control degen gambling and nft hypes?
What if bitcoin is indistinguishable from shitcoins, it can be taken over more easily.