[btown]

https://www.ftc.gov/advice-guidance/competition-guidance/gui... notes that there are dumping restrictions, but that courts rarely find firms in violation.

Asking ChatGPT "What is the case law around single-firm predatory pricing?" provides a number of examples, including the tests used by various Western court systems. (Though do note that ChatGPT is not a lawyer, and this is not legal advice!)

[mmmmmbop]

Correct, anti-trust law can introduce a lot of rules prohibiting actions that would be fine if it weren't for the monopolistic position of the actor. But as mentioned in the other comment, there's no differentiation there between physical and virtual products.