Mountain out of a mole hill. Spam under the current regime makes a node marginally more expensive to run. Bip110 will make a normal node impossible to run.
When people say 110 won’t stop spam they ...
Yes, technically it may be a mountain out of a mole hill, but the argument isn't about whether the node can handle it, its the content an individual should be expected to store in their home just to validate their own transactions while being a full-fledged member of the network. Saying "you can run a pruned node" if you don't want unencoded CSAM in your home isn't addressing the argument.