Awkward logic might as well be a trope of the medium. And if a comic is "meh," it's not bad. It's meh. But I think most of Slott's Spidey work is better than meh, personally.
The way I see it, if a reader is determined not to like something, they'll find their reasons. I like liking comics, and when something painful happens (like Hornet's death, which still hurts), I imagine how a writer might one day fix it. I'm also willing to forgive writers for being human, having editors to deal with, and all the potential difficulties that can happen when trying to create something.
As far as Otto goes, many here are of the mindset that Slott prefers Otto to Peter, then use that as a strike against him. I prefer to be thankful that a writer in my lifetime FINALLY created stories for Doc Ock that show why he belongs in the top tier of Spidey villains. Otto had pretty much been a nonfactor in my 30 years of reading Spidey comics.
Perspective.
-Pav, who guesses this is his "Controversial Spidey Opinion"...
EDIT:
I do fully agree that Slott's best work ended with the ending of Superior Spider-Man. My guess is that everything up to that point had been one long story mostly planned in his head for a while, and that everything that came after was him just "having fun."
Still, I don't dislike the majority of the stories post-Superior, and I can forgive the bad Black Cat stories because that partially seems an editorial situation.