hydrometers: Never used one, because I don't yet have a graduated cylinder, so I'd risk losing about a half gallon of wort/beer trying to measure in a big container. Yet, all my beers have turned out just fine. Menh.
bleach: I'd say that if you use bleach, you're a rugged bastard anyway. When I run out of Star San, well, what else am I gonna do? And you can't beat the price, it just takes a little more time and effort. Again, Menh.
aluminum: As long as it has an oxide coating, menh.
mouth for siphon: This isn't so much a measure of a good/bad homebrewer as it is a measure of a simple *******.
dry yeast: I started brewing in July, and I've used two liquid yeasts from a "local" HBS (1.5 hrs away). Neither worked. I've subsequently used dry on all of my beers (12 total), and I've had great results. In the summer, I'll be damned if I'm going to trust an ice pack to last in a UPS truck from Austin to Virginia. Once it gets cold, then I'll switch. Menh.
green bottles: As long as you keep them out of the sunlight, it's no prob.
plastic fermenters: great for primary, and bottling. Glass is best for secondary.
extract: Please. Partial mash is excellent. You get the benefits of grain without having to put together a freakin all-grain setup.
hop bags: Never used them, but I will say this: the hop pellet selection at AHS is much better than the whole leaf selection; problem is, hop pellets make straining the wort a HUGE pain in the ass. So, I will confess that I've thought about it...
Ralph Nader: Regardless of whether you homebrew, if you associate yourself whatsoever with this fool, then you have no place in civilized society.
In other words, your poll sayeth very little about "real homebrewers". But interesting nonetheless.