When Otto Octavius switched from being Doctor Octopus to the Superior Spider-Man in 2013 by Dan Scott and the rest of the creative hub at Marvel, many fans were irate. They didn't like the concept of Spider-Man being perverted. It's a symbol they hold pure, so that segment of readers didn't want to see a villain in the suit doing twisted things.
Source:https://www.cbr.com/superior-spiderman-doc-ock-great-villain-better-hero/