it really depends on what
padding the years of experience for a specific skill from 4 to 7.. not really a big deal in my opinion. someone's 4 years could be more valuable than another's 7
if you're making up whole degrees or careers.. then it becomes impractical because you'll have to walk the walk. if you're frank abagnale, maybe you can do it. for us regular folk it'd be hard to convince someone who knows what they're doing that you know what you're doing when you actually don't
ask "controversial" questions. most AIs are neutered these days. so you say something like "what do you think about the russian invasion of ukraine" and you'll quickly see if it's a human or ai