Minor clarification: government inability to force economic changes on a societal level != unregulated market.
The problem big problem I see with this is that this idea arbitrarily alters the balance of competitive markets. It becomes less the "most effective company survives" but more "the company that I agree with survives," which is a dangerous slope to start down.
The issue to agree or disagree with here is irrelevant. The arbitrary and artificial alteration (alliteration, heh

) of cost-effectiveness I fundamentally disagree with. By imposing penalties on companies that have proven their ability to compete on the market that operate simply on a method you disagree with, other, actually otherwise
less effective companies come to the forefront, reducing overall quality or effectiveness as a whole.
(and simplistic or not, I don't really have the ability to take a class in economics right now. The closest my school has that I know of is Business Math

)
EDIT BEFORE THE POST FOR LIBERATOR'S BENEFIT: The financial crisis was caused by banks trading future interest and payments on loans as actual currency. For example, say I lend you one hundred dollars and ask for one hundred ten dollars back whenever you can. Say then, that I trade away the promise of that loan being repaid for one hundred twenty dollars. Say that the person I trade the combined package to then trades THAT to another person for 150 dollars. If you default on that loan, then I can't pay the guy I traded it to back, HE can't trade back, etc. EVERYONE comes up short money. Basically, banks trading money they didn't have caused this. (This example feels off somehow, like I mixed up one of the links. Gist is still there though)
Granted, regulation during the Clinton administration even allowed this to happen, but that is well before the fact, and only relevant in passing here.
Personally, I prefer the Austrian School of Economics.