Drinking beer in itself was just that drinking beer.
Bud light crossed the line when they promoted an agenda.
No one cared if gays also, mind you ALSO drank Coors, Miller or Bud Light. Putting a tranny on the can? That blew it for everyone.
The gay leather male culture can't stand the trannsies, and there is a popular saying, "Well he looked good, until he opened his mouth(gay lisp).