The filter is about as necessary as when DS users needed one years ago from all the Poser content that had "not tested in ds" or "compatible in DS with material adjustments. A "head in the sand" filter shouldn't be anywhere in the todo list of site changes when other things could be done to improve the site.

Besides looking at the front page items are plainly marked with the figure name with even some items that say "for Poser". You don't even have to click into the product page to see that.