"The person that, by their presence in the transaction, is stigmatizing frivolous requests costs money too."

That person also keeps up with the latest technologies and, ideally, would be able to advise on the appropriate type of keyboard or mouse or whatever.

"You are also conveniently forgetting the cost of somebody who did accidentally spill coffee on their keyboard."

If the spilt coffee results in keyboard damage, no qualm there. I'm referring to cases where you have a slight drop and decide to get a new keyboard rather than wiping it.

" I can certainly say that having them doesn't make Zynga a bad company."

I don't think the vending machine by itself impugns a company but it certainly matches a sense of wastefulness from other anecdotes.