I've heard this argument - the "if a large company ignores a small percentage then they're still doing awful things" - to justify a hell of a lot of griping. If

I've heard this argument - the "if a large company ignores a small percentage then they're still doing awful things" - to justify a hell of a lot of griping. If Facebook was doing this willfully then I'd agree with you, but as it is they're an enormous company dealing with possibly the most complex consumer site (interface-wise) out there, and I'd be willing to bet they've got a few dozen priorities that are messing up for more than a percentage point, and that all those priorities are really tricky problems.