For those who had expressed concerns about having to draw while seated in a vehicle,please @the_theory_police IG page. There are videos addressing this subject.
Everything I probably could have hoped to add to this thread Dagga already said in post 40.
I do run my SLS at about 2:30 with a slightly lower drop.
Polite Professional
None of this is new information, it is all just part of older teachings that have been lost over time.
I know the OP touched on this but, the following bears a watch. It's an old school USPSA video from the 80's, note that every shooter has their holster staged at 2:00 and forward canted.
https://www.youtube.com/watch?v=wJvT3Cd4iME
Safariland now shows the CUBL and VUBL as available to order.
Great post, good data to back it up, learned a bit too from the data on things I've learned just work over time. That tan Davis holster in black basketweave was my first duty holster for the S&W 4506-1.