I believe your 'one tip that always applies' is horrible advice. And if this is the mentality someone approaches management it doesn't surprise me they have bad

I believe your 'one tip that always applies' is horrible advice. And if this is the mentality someone approaches management it doesn't surprise me they have bad relationships. For me I'm open and direct with managers. I've had some good ones and bad ones. Id say 70/30 ratio in favour of good. And when a manger is bad the adage plays true, 'People do not leave bad companies, they leave bad bosses'.