The community built spam detection tools and many moderatorshas built spam detection tools and curators are on strikemany moderators and curators are on strike, but hopefully we can deal with this once the strike is over. You can see more here about the strike
One of the main spam filtering systems is community run -run, and with the stand of the company of moderation of GenAI content, itsit's hard to justify putting in time and energy.
I also suggest people sign the open letterOpen letter to Stack Exchange Inc..
Honestly, on my own sites, I'm itching to get rid of this garbage, but sometimes some pain is needed for long term good. :(