One other thing that's worth noting...
Both Chere and TG were generally quite defensive about PDB. If you ever took the time to wade into their comments sections, which are generally unmoderated cesspools filled with chronic trolls and disturbed sociopaths, you would have seen that (rather bizarrely) they would actually take the time to individually respond to some of these people, almost always in defense of PDB and his difficult task. I think they both had a lot of respect for DeBoer (while acknowledging his faults regarding youth development, which is the one thing they would usually give his critics), and the whole situation probably crystallized their larger thoughts about how things have been going with this organization and exactly who's to blame. That combined with the overall difficulties of dealing with a man as secretive/cryptic as Lou meant that these pointed critiques were long in the making. Some of the "mainstream" hockey media had already been making this case for ages, and of course others are just vultures circling a carcass, hoping for a few clicks. But there is real rhyme and reason to this, so to just laugh it all off as hack-work is not seeing the full picture.
Also, presumably the same people who loved to defend PDB, but have now surrounded Lou (who just fired him, by the way!) with their shields instead and would have nodded along with Chere/TG's PDB defenses of the past, have now turned their attacks against these newest traitorous "rats on the ship" and other such hyper-defensive hyperbole.