That, as they say, is the question.
When I was testing a Delano dual-coil humbucker in a passive system, the difference between either coil was negligible, so I just wired it series/bridge-coil to an ON/ON mini-toggle. I noticed the differences in the video you posted, so it's fair to assume I would get similar results when pumping through a preamp.
If I were using a control plate, that'd be one solution to consider. In this one's case, I'd rather not punch a whole bunch of permanent holes into the wood. I could much more easily use a Jazz bass control plate as a template to add an extra hole, then use a single rotary switch to get the same results.
Also, if I ever decided to get a 3-band Stingray EQ, or route it into a J/MM, I'll still have all the control holes I'd need. If I did the latter, I'd probably get a Free-Way switch for the control suite.