I don’t recall anyone saying anything of the sort back then about fuzzing? Back then you could run the most basic fuzzer and find tons of bugs! Where did you see people complaining about fuzzers??
I want to stop being elliptical and just say directly: you have strange and counterfactual ideas about the security research community of the mid-aughts. 2006-2008 was the height of the security blogosphere. This stuff definitely had a huge community.