Out of curiosity, where are you getting the few light vehicle droppers from? In the SW area out of the seven vehicle toting dropships (Condor, Excalibur, Fortress, Fury, Gazelle, Seeker, and Triumph), four carry lights.
Of those 4, every single one of them also carries infantry as I mentioned. And one carries over 5x the # of Heavy Bays as Light Bays.
As I said, those that have Light bays seem to focus on APC's & Recon in their fluff &/or deployment of infantry.
Perhaps I should have said few #'s of dedicated Light Vehicle Bays compared to Heavy Bays.
Expanding your review of dropships a bit.
Only Heavy Vee Bays =
Excalibur (90), Fortress (12), Gazelle (15), Overlord-Vee (12), Dictator-Command (18),
Hannibal (12), Hercules (36), Lion (12), Elephant (8), Conquistador (12), Colossus (72)
Mixed Vee Bays =
Triumph (45 Heavy + 8 Light + 4 Infantry Platoons)
Only Light Bays (& Infantry) =
Condor (20+12IP), Vulture (12+6IP), Fury (8+4IP), Seeker (40+4IP)
Light Vehicle Bays either get tacked on to Infantry Carriers to give them some boosted mobility or recon units, (Condor, Vulture, Fury), or they get a couple added to a mostly Heavy carrier (Triumph), or they are specifically designed & fluffed as a scout battalion carrier (Seeker).
Nowhere is there a dedicated Light Vee carrier that is actually intended to deploy large #'s of 50 Ton MBT's.
Not saying I agree with it, just saying that the majority of Vedettes are likely getting deployed out of Gazelles, Triumphs, & Excalibur's. Not out of Furies.