When you say 'law', you're talking about the 500-year old law that codifies what you can put in beer? (reinheitsgebot) or did you have something else in mind?
This joke is typically boring, but you've raised it to the height of "in poor taste" by wielding it to segue out of the serious subject of a man losing his job.
Fired for driking Bud Light. Is that even beer I ask as a German...