I do not have the time to respond to every point right now as its been a pretty long day but no where did I assert that “since filters don’t work for those you know, they don’t work for anyone.” In fact I specifically limited it to adults in certain types of professions at work. Adults at work in general even according to you (I assume) are probably going to have weaker filters at work. I had mentioned adblock just in case you decided to make the antiquated argument that some make about popups. Not sure there is a point in countering the rest of your points as I am not really sure how to do it without mentioning personal details.
Also sorry to keep on beating a dead horse in regards to the asifa booklet but please read the whole thing if you get a chance as it goes way above and beyond the shemiras einayim issue – if it had just done that I wouldn’t be ranting about it.
I do believe that because of certain technological advances the arguments for and against filters will become moot because of a drop in price of internet capable devices and the availability of free or low cost access. This doesn’t mean that people shouldn’t get filters – but to assume that this is going to work even in five years from now is a poor assumption especially in regards to preventing kids from acquiring internet access surreptitiously.