BS
You assume a degree of perfection and precision that is not possible.
The delivery service is agent, not boss
No.
Screw idiots who defend a business model where douche bag businesses can try to pawn off losses caused by not meeting their promises to the customer on a third party.
The driver was rational as has been pointed out.
There will always be irresponsible turds like the restaurant management and one hundred percent of their irresponsible defenders, but other people don’t have to condone turds like them.
True. But it shows why this model may not be all that practical.