Because it's rare to see someone include a link to support their argument, that actually demolishes their argument. Unless that person is being ironic/sarcastic.

To be clear. The articles does not say that wind turbines destroy "entire flocks of birds". It points out that in the grand scheme of things, wind-turbines are a net positive for bird populations, and goes on to say that while numbers of bird deaths aren't negligable - work is going on to reduce numbers further.