[AnAmericanAbroad]

I don’t think advocating food tampering is entirely helpful, with all due respect.

It’s actually a criminal offense.

[stellaluna]

I say do what I did when I was forced to make coffee for my teacher: spit in it.

[Sooth2222]

I don’t think advocating food tampering is entirely helpful, with all due respect.

It’s actually a criminal offense.

Good to point that out --- but it's not illegal to annoy a customer enough so that he'll never return. (In fact, it's much easier to annoy a customer than it is to not to annoy a customer.)