You would have to ask them what they get out of it, but it clearly was a publicity stunt at a ceremony nobody watches anymore.
Why would Pfizer even want to sponsor such a lame event is more the question.
Big pharma as we know are money whores, their trial is a one solution pill trial, their words not mine, so if you are correct and it requires different treatments for different diseases then send them an email and ask why they are making or trying to, an all in 1.

All they need now is FDA approval.

"A PHASE 2B/3 RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, DOSE-RANGING STUDY TO INVESTIGATE THE EFFICACY AND SAFETY OF PF-06651600 IN ADULT AND ADOLESCENT ALOPECIA AREATA (AA) SUBJECTS WITH 50% OR GREATER SCALP HAIR LOSS"