This whole article should have been prefaced with a giant 72-pt IMHO and suffixed with a 72-pt YMMV.
I was amazed at recommendations #4 and #5: reward somebody for "fitting in" etc. (!!!!!!!)
I highly recommend Andy Grove's "High Output Management" if you're really interested in building a high-performance organization. It's a highly objective book: don't waste time on voodoo like "Intriguingly, in a "social" environment, the candidate would often show more of their "true colors". Especially if beer was involved."