Products also get really nuanced at the higher "Power user" skill levels since users tend to specialize their skills in ever more specific ways.
For instance, in my line of work if you are a 3D generalist, it won't matter a ton what of the top 3 or 4 animation packages you go with, but if you specialize in really really high end character animation it matters very much.
Taking it even further, if you are setting the bar for character animation the way Pixar or Dreamworks does, you'll be using highly customized very specific tools written directly to handle the specific requirements of a particular film script.
Before debunking the "conventional wisdom", it'd be nice if the author would read up on it. The only insight added by this blog post is the dubious notion that the first-to-market wins a sustainable niche; that's been untrue as often as it's been true.
Otherwise, the idea that markets converge to a major winner on cost and a niche winner on product quality is basically marketing 101.
For instance, in my line of work if you are a 3D generalist, it won't matter a ton what of the top 3 or 4 animation packages you go with, but if you specialize in really really high end character animation it matters very much.
Taking it even further, if you are setting the bar for character animation the way Pixar or Dreamworks does, you'll be using highly customized very specific tools written directly to handle the specific requirements of a particular film script.