Earlier quoted context omitted.
Contacting Microsoft is always a mistake. They don’t want to hear from anyone and their process reflects this.
1) What's your source for that assertion 2) Assuming it's even true, what should this person do instead? 3) What do you think the outcome would be if this person did contact Microsoft? Since it's a mistake, I assume something bad?
Since this is copyright infringement, the copyright holder could file a DMCA takedown notice.