Westworld - Torture mod?

I have a theory on the use of torture on Bernard and on other hosts in Westworld. Many are asking why torture would be an option, if you can just have hosts go into analysis and tell you the information you need to know? I think it harkens back to something Ford told Teresa in Season 1, that Delos has information on the employees as well as the guests. The torture mod is a test for the employees, which ones would notice it, use it or not use it, even enjoy it. Then they can determine if that employee could do a different and more unsavory job. The park is about human data collection, which includes employees. 
budesigns
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