There is really no reason not too though.
Displayport also takes up less space that would be used for cooling or whatever.
The only reason other than compatibility is probably that the screws are nice to have if you hook it up to something permanently like a KVM. Displayport have latches but imo they suck and I usually buy cables without them.
USB-C on servers is a good thing. But you seriously don’t need a HD capable port on a server.
There is really no reason not too though. Displayport also takes up less space that would be used for cooling or whatever.
The only reason other than compatibility is probably that the screws are nice to have if you hook it up to something permanently like a KVM. Displayport have latches but imo they suck and I usually buy cables without them.