I believe it is. When someone says that what you were doing was completely illegal, that's a complete attack on your professional career, and he said you laughed. That couldn't be a misinterpretation; it's either true or it's false. He either lied or, I suggest, you may be lying, but you can't just say it's a difference of opinion. It's legal or illegal.
On June 12th, 2018. See this statement in context.