Let's review a bit of history:

From Dirt road: (his story):


As a young quarter-horse trainer in the mid-1970’s, he knowingly gave an illegal pain-killer to one of his horses at Los Alamitos and was suspended for a year.

"KNOWINGLY"


2000:

Morphine

https://www.bloodhorse.com/horse-racing/articles/192700/baffert-seeks-stay-of-suspension-in-superior-court

2014: Thyroid

https://tuesdayshorse.wordpress.com/2014/01/07/deadly-to-horses-the-baffert-effect-part-1/

https://tuesdayshorse.wordpress.com/2014/01/08/deadly-to-horses-the-baffert-effect-part-2/

2019
https://www.drf.com/news/baffert-miller-fined-bute-overages


2020 DEX
https://www.drf.com/news/baffert-fined-brinkerhoff-suspended-medication-violations


You need a license to drive a car
You need a license to fly a plane
You need a license to be an electrician, plumber etc.
You need a license to train a racehorse (I think...lol)

Some folks should not have certain licenses.

Draw your own conclusions