Earlier quoted context omitted.
Yes, they should be forced to pay for the things normally required of an employer. Including reasonable meals during business travel. The individual employee can choose on their own to be vegan or vegetarian, or to eat meat. Why should the individual rights of the employee be surpassed by the rights of the powerful employer?
If you mean "rights" in a legal context, nowhere does an employee have a right to be reimbursed . The closest governing law here is fair employment, and this isn't anywhere close to that. edit: so long as work-related expenses doesn't sum out to a minimum wage violation
Actually, there is. There are rules on expenses and meal. Probably not in most of the USA but the rest of the world is a thing.