It depends on how long, and how often, you burn those engines. If you’ve got a big torch that can sustain a large fraction of one gee for weeks or months, and your fuel is cheap enough, why turn it off at all? On the other hand, if it’s only good for a big push at the beginning and end of your trip, and you’ll spend the whole time coasting, spin is absolutely the way to go.

The Expanse, as mentioned in other comments, showcases both these designs. Most ships fly a brachistochrone trajectory with a mid-point “flip and burn,” but the Mormons’ giant colony ship has a drum.