She wasn't in a position to lose a job at the time, and felt she had no other choice but to begin lying about numbers to meet the targets (obviously wrong.) She is very much NOT the type of person to do something unethical like that and felt extremely bad about it, apologized and got fired.
Recruitment companies will literally push their employees to and over the edge. You either live to work for them or they break you and fire you.
Outside of tech, mental abuse in jobs is shockingly common and frequent.