How can you bury the dead corpse of something that never was?
The Austrians have existed and have had prominent proponents of their views for a century, including a significant period of time before the work of Hayek ever existed. They are not some force that has never been heard from or had a role in government decisions. Except for a period of time between 1945 and the late 1970s, they have had a prominent voice. You're overselling the case.
Hayek couldn't have hit the nail on the head any harder, yet it's never enough for Keynes as bastardized by his children. Government actions lead to bubbles no matter how good the intentions started. There is nothing clearer than this post-2008.
And the other side of this debate is about the need for regulation, which points the other direction. So it isn't actually that clear.
Kicky proves the point by completely missing the main theme of the video and instead seeing what he wanted to see. It won't matter what support is shown as the deck is loaded to assure Keynes' political victory.
Always so caustic, always with so little reason or provocation.
At first I thought the song was slanted towards Hayek (like I said, he gets all the best lines), but the reason I think the message is more subtle than that is for two reasons that are not immediately apparent:
1) There is an acknowledgement, for example, that Hayek and the Austrians dismiss out of hand any economic data that doesn't support their conclusion;
2) There is similarly an acknowledgment through omission that Hayek has virtually no prescription for action in a crisis. (Keynes asks him what they should do, he says he thinks there's plenty to do and lists not a thing).
So Hayek does get all the best lines (I particularly like the lines re: "pretty perverse to call that prosperity"), but criticisms of Hayek are well represented. Given that type of fevered pitch generated by thosee who buy in to Hayek's position (and one might say demonstrated in your post), that's totally appropriate.
Finally, I've heard these two guys talk about the first edition of this battle rap a little over a year ago on NPR and they frankly acknowledged that there was supposed to be some level of balance rather than simply being in the tank for a specific school of thought, similar to what Russ Roberts does on his actual podcast where he treats it as an actual debate rather than an advocacy project. The current (hour plus long) podcast in which they discuss Malthus and Say at length indicates a deep understanding of the philosophical divide and not two people who came out to create an attack video on Keynes.
And lets be clear here, the video is designed to entertain and does it well. There's a reason they hired a comedy team to portray Keynes and Hayek.
If neo-Keynes need a pat on the back then I'll give it to them. I'm sure it took Keynes to resurrect the hogs that Keynes sent to slaughter.
Actually I think the problem of the last 30 years has been that while Keynes preaches countercyclical fiscal and monetary policy, we've instead treated it as a one way ratchet. One could easily argue that we're only Keynesians half the time.