I believe in copyright and commercial software and everything, but teachers should not press my family into buying software when free alternatives exist. They c

I believe in copyright and commercial software and everything, but teachers should not press my family into buying software when free alternatives exist. They can just accept PDF slides which OOo can produce, since when are slide animations critical? I think the "more right" reaction would be to complain about this, at increasing levels of hierarchy, rather than support a monopoly that will push the $119 bill on other families who might be worse off. Either way, I don't blame them for not wasting too much time on it.