She told someone up the management ladder. The business is now financially libel if the situation is not aggressively corrected.
This can also apply to customers, not just co-workers.
Lawyers, good lawyers that know harassment law.
Worked for a company that had to settle a lawsuit before I started there. Management meetings every six months on this the entire 5 years I worked there, part of the settlement.
I have fired a coworker and banned a customer for this.
In US.