Irrespective of all of the idiotic comments on this thread, of course it is.
There are laws against it as a public health issue and I don’t think that anyone here would want to enter a car after about 50,000 people have been eating in it without cleanup.
Can you imagine the amount of refuse after a day of New York denizens have been eating in it?
Not to mention the cockroaches, fruit flies, rats, and mice.