1. She realized that it was an old model that was way behind the updates and didn't want to get in trouble for missing something like that.

2. She realized it's an old model from the Arnold period and knew they could have glitches and just wanted to get it done quickly and under the rug.

3. It's just how thing operated at Delos, it's obvious that staffing there didn't care that much anyway and she was just an a-hole supervisor.