Eventough a hardfork is always a strain on the community, i have to say that a hardfork solving this mempool flood would be interesting. I'd defenately think solving the mempool congestion with those inscription thingies would be a better cause than the last "big" hardfork (BCH).

If such a fork would exist, i'd think it would have a reasonable chance of getting adopted by the majority (depending on how many of the core dev's were willing to switch to said fork). If enough users adopt the fork, miners would eventually switch.

I'm not saying it's a good idear per sé, i'm not saying i would blindly follow such a fork, i'm just saying that such a fork would probably have more merit than BCH, and eventough BCH did not gain the biggest part of the community, it does still exist.