Obviously there are a lot of people unhappy since OMD.
But before that, there were a lot of people unhappy that Spidey was living with the AVengers and had a fancy high-tech suit.
Before that, there was mystic totem weirdness, an almost non existent supporting cast, and that one time Spider-man grew claws and ate a guys head.
Before that, were the days of Al Kraven, Chapter One, Mattie Franklin Spider-man.
Before that, the clone saga ...
Right before the clone saga was his "I AM THE SPIDER!" period and the robot parents...