FedEx Freight has an employee rating of 3.8 out of 5 stars, based on 2,542 company reviews on Glassdoor which indicates that most employees have a good working experience there. The FedEx Freight employee rating is in line with the average (within 1 standard deviation) for employers within the Transportation & Logistics industry (3.5 stars).
There's no heat in the winter or AC in the summer. We were told that's the reason we're paid so well is to put up with it. Fine.
But then you add on the failure in "leadership" at this company. I'll sum it up for you: they either have an ego that is twice their size, or hate the company as much as you do. Any complaints are met with, "if you don't like it, you're welcome to leave".