What astounds me is the widespread idea online that just because this season was disappointing to 'many fans' it will somehow harm the producers' career.
For starters the viewership was extremely high. You don't lose your job, or a potential job, because of criticism; you lose them because you didn't make money. Downvotes are unimportant compared to dollars as a metric.
For another everyone whines online. It's non-stop, no matter what's put out there someone will complain, demolish and hate it. It's basically required for all of those people to either not be on social media or to ignore it else they will go crazy. And if people will complain no matter what it's impossible to tell if they are right or wrong.