Not sure what you mean by "abuse" or what you are skeptical of? Please clarify what stats are you looking for?
You said "They are simply not encouraged to circumvent their program of study and go to work under the guise of "CPT.""
This implies that you are familiar with the system and aware of how it's abused, so presumably you can provide some evidence.
I wasn't aware of any during my time there, but my personal experience doesn't necessarily mean it didn't/hasn't happened.
alt Hacker News
You said "They are simply not encouraged to circumvent their program of study and go to work under the guise of "CPT.""
This implies that you are familiar with the system and aware of how it's abused, so presumably you can provide some evidence.
I wasn't aware of any during my time there, but my personal experience doesn't necessarily mean it didn't/hasn't happened.