Nowadays it's completely different. All the temp drivers got replaced by cheap Indians/Pakistanis doing it as a full time job (but without any insurance or benefits). And most of the restaurants don't even exist, they are literally just some guy cooking in his basement under a fake restaurant name, sometimes multiple names pretending to be competing restaurants - and they keep changing the names and logos all the time so you never even know who you're actually ordering your food from.
Just a shady business with shady "consultants" delivering food from shady places.