There is clearly a push to counter-act the negative reviews, it's kinda sad.
The other negative reviews are right, they've said it better than I can.
They might also access your "private" Slack DMs if they wish.
They love firing people ("getting people off the bus" as they call it), as long as they are not in the clique, if you are, they'll keep people around way beyond their usefulness. Better get ready to do some bootlicking.
The people with long tenure are mostly those who had pre-existing relations with those in the senior leadership, i.e. nepotism. Leadership also on the Musk kool-aid.