there's no guarantee that OOo will display them faithfully and with fidelity.

At least there's also no guarantee that future versions won't, which is more than can be said for MS Word.

When salespeople and HR people have to crawl around and plug stuff in, yeah, then they get to dress like slobs.

yes, some people are purchasing, some arent. You could possibly triple the price of a DVD and still have some purchasers. VHS movies were originally $60 each. The producers cannot claim lost sales on items not purchased if consumers decide that the product is not worth the cash.