I read it more like a whine "don't blame our opamps, they better than resistors" :-) But it is something I've become much more familiar with building RF fronten

I read it more like a whine "don't blame our opamps, they better than resistors" :-) But it is something I've become much more familiar with building RF frontends for software defined radios. You want as much gain as you can get to pull in weak signals but keeping the whole thing noise quiet is really really hard.