I take this opportunity to point out Paul Cockshott's book "Towards a New Socialism" where he goes down to detail on how an entire economy could function with cybernetic economic planning. Even if you're not interested in socialism, it still has some great ideas and insights that could be implemented in some sort of social democracy.
The complete book is available here: http://ricardo.ecn.wfu.edu/~cottrell/socialism_book/new_soci...
I can't see the karma score for the post, so I'm not sure what it reflects...
But if I've understood you correctly, you're equating "risky" with "could lose some imaginary internet points on this site" and not some more tangible risk? (I'm not calling that an illegitimate definition of "risky" but when I heard that word I was thinking of something much worse.)
It's alive and kicking on HN as well. I suspect that a lot of people here simply aren't aware that it's a thing, so unless somebody goes around telling people that they're left libertarian (and then explaining what this means), the corresponding specific policy positions don't necessarily get construed that way.
While we're at it, a reminder that economic left/right distinction is not the same as command/free-market:
