Well, if you treat it as a binary outcome then it is technically correct. But I don't think the filter-advocates are thinking in that terms (And tbh imho its just not a good way to think about it). It's more of spectrum thing.

For example If 30% of miners deem some transactions of type X unwanted and they don't include those in the blocks, the X transaction will have 30% less of blockspace to compete over. And it will cause them to pay larger fees thus decreasing amount of X transactions.