My gut tells me my car will come with one too, but yet that is such an easy clarification to make, yet hasn't been done, gives me serious doubts.
Why not force the customer during the ordering process to pick the UMC or get a $200 credit towards the HPWC? Let the person ordering the car decide what is best for them? But bases on other comments he's made RE: burying the climate control (i think) in a recent sw update that were along the lines Tesla knows best and the driver is just a source of error inputs, he believes he's in a better position to decide what's best for everyone's charging situation.