Are you sure Claude knew which one was which? In those pictures, the Maverick sure looks to be the shorter of the two. Eyeballing it I'd guess the Fathom is 8-10" longer than the Maverick.
I do have the hybrid and have driven with "L" selected a few times to get the extra regen, but it will occasionally rev the engine when slowing in "L" if the battery is fully charged and I don't care for that. Mostly I just us the brake pedal to apply regen and try to brake early/smooth enough...
It surprises me that so many people dislike one-pedal driving, I wish my Maverick could do one-pedal. I've driven over 2000 miles in various, rented Teslas and always miss one-pedal driving most when going back to my own vehicles, gas to brake, gas to brake vs just smoothly modulating the...