[ativzzz]

You underestimate how far some people are willing to go to harass someone, and in his case it has financial consequences, hence the lawyers.

[imroot]

...and how unbalanced it can be when one of the parties is an attorney.

[alexanderlabrie]

False: OP has not mentioned any financial consequences, only that he had to "give explanations to sponsors."

[bduerst]

Probably because OP is not seeking legal action in Hacker News Court, but in a real court where broadcasting details of such information is not a good idea.