FedEx is hands-down the worst carrier, at least in our area, for a number of reasons. They manage to delay or damage most anything they try to ship to me, and I have video doorbell footage of their drivers literally throwing packages at my door from the edge of the walkway - stuff I knew was fragile. They also have damaged several of our Chewy shipments with our cat food and other pet supplies. Last summer they didn't even try to get it to the door.... they left a box full of various kinds of wet/canned food and other supplies on our driveway in 95 degree heat while we weren't home and the delivery update said 'left in a secure location.' All the food was overheated and ruined and had to be replaced.
Just yesterday, I got a new double bass gig bag delivered by FedEx from Sweetwater. They managed to punch 2 huge holes in 2 different sides of the box. If it had been a bass or other item, it surely would have been damaged. I will often choose whether or not to do business with a company if they use FedEx. Unfortunately, Sweetwater and Chewy both use them exclusively it seems.