Surge protectors and power conditioners - Good idea or bad?

I have a Furman 20 elite and serves me well (20a line), I dont see how people can say to avoid them , if your a  video guy do allot of HT , Ive noticed without a doubt positive effects of having SP , I had some work being done at the house and they were running skill saws outside , my overhead lights would dim yes but not one glitch ,snow, fuzz, Jitter,  I know for a fact it works . It also has a Capacitor bank (Power Factor Technology provides a "current reservoir" for amplifiers, receivers, and subwoofers (over 55 amps peak charge) Im saying it works, call me a noob , I would never not use SP for my gear , wouldn't think of it , I have to much money into my system , I worked as telecom worker in peoples houses and seen first hand what strikes can do, Ive seen holes blown up in peoples yards ( accent lights ) along with sections of house wiring shot, I have relativly good power in my neighborhood but we still lose power on occasion and when that happens you get a surge , Maintinence cuts in the middle of the night ( Surge) doesn't kill your gear but it was in fact a surge none the less. Ill take the .0001 distortion it adds to audio all day long.