The basic problem with this post is that it contains zero data about user engagement. One guy can project his own opinion about how he thinks his non-responsive

The basic problem with this post is that it contains zero data about user engagement. One guy can project his own opinion about how he thinks his non-responsive site looks fine on mobile, so clearly everyone else will too, while I can project my own personal experience that I tend to find myself spending more time reading mobile-optimized blogs on my phone, so clearly everyone else will too. It's been said a million times around these parts, but I guess I get to be the one to say it here: Get some data! Do some A/B testing! Check your bounces and pages per visits and time on site from mobile devices, then try a responsive design and see if they improve (technically, you should split and do both at the same time). What works for one site may not work for another. But projecting generalized statements with no data to back them up doesn't move anyone forward.