If you're a grandma-looking person with a bunch of Rubbermaid containers for your grandkids, maybe (only if well-packed)
...cash tips at destination highly unlikely though, trust me
If you're a restaurant and come out and tell me your delivery guy called in sick and you couldn't say no to an important regular customer? Quite likely
If you're a tattooed 22yo male dressed all gangsta and/or reeking of substances? HEELLLL NO, son!
Cause it's not like we WANT humans in the car, fact is we often really really don't, but...what we don't want is illegal items in car, and worse yet, illegal items without anybody but us there to answer for it if pulled over by police