Happy 2022 to you and yours from the frigid state of WI.
The car is in primer right now and as soon as I can get the doors hung and trunk lid on I will spray with a high build primer, most likely 2 coats, and the rest of the body parts will be painted off the car, I do not think the color will be sprayed until Feb/Mar.
What I suggest you do to remove the stuck pin is to hack saw it above and below the door hinge pivot that is what we did then put it into the drill press with a jig to keep it vertical and drilled the pin out, next we had to drill the hinge again for an oversize pin, do not try and drill with it on the car.
If you have to remove the hinge half that is screwed to the pillar use the tool in the pic BUT you will need to support the pillar with emphasis at the top where the signal arm goes. We bent the pillar from repeated hammering on the hinge screws, had to turn them cherry red, and hammer the heck out of them.
Another item to watch out for if you heat the hinge on the car is warping the bodyside hinge piece, it is best to hack saw the hinge loose and put everything on a bench. Drake carries the pins and also oversize which we had to use on the driver door bottom hinge, also replaced all pins as Drake's pins have oil grooves. One other thing I did was to drill a small hole in the pivot to oil the hinge.
Have fun
Jim