Having yet another thing to keep charged
a usb port is far easier to break
I hate earbuds, I want my same old over the ear $15 sony headphones that last for years

BT is just another thing to fuss with for no apparent benefit, I have an assortment of BT crap that won’t connect consistently.
Whatever convenience BT might offer is negated by the time wasted learning the intricacies of the ever changing APPs [software]