[quote=@The Nexerus]
<Snipped quote by Vilageidiotx>

Government policy is almost [i]never[/i] determined purely ideologically. The reasons for this are as numerous as they are well-known and for that reason you probably don't need me to list them, but just for presentation's sake I'll name drop special interests.
[/quote]

Okay, lets put special interest aside then. Why is it that varieties of Keynesian economics have dominated since the depression, all of them advocating government intervention in some forms?