People sometimes fault them for removing content (not their fault, everyone saw Netflix works and made a streaming service of their own) and cancelling series too quickly and erratically (true). Also people have a problem with the average quality, but seem to misunderstand Netflix's business - they need to have lots of content, one very good series per year isn't going to keep subscribers on the service. They have great quality stuff, and meh filler that some enjoy.
So all in all, disagreements with direction, but nothing wrong/evil on the level of any of the FAAN.