Originally Posted by
Mister_Squinty
To a degree, I agree. However, the Warlock is at the far end of that particular curve. Battlemasters are a subclass that benefits from short rests, but that subclass rests on the versatile and well-balanced Fighter chassis. Wizards and Druids have enough spell slots and abilities to be able to manage any kind of campaign. Warlocks are sprinters trying to compete in the Decathlon. They're good out of the gate, but, without DM accommodation, they can't compete in the rest of the events.