Doesn't purchase by a PE company pretty much guarantee the death of it? At least the selling off of the most profitable parts and pieces? Has there ever been a story of a PE purchase and the company grew under the new owner?
I wouldn't call that a roaring success. Funnily enough, Intel played a major role in running McAfee into the ground.
With proper leadership, McAfee could've ended up in the position CrowdStrike is now.
Trying not to piss off the Chinese government, and in particular its intelligence services (in order to sell chips) is unfortunately not a good model for an antimalware business.