Wow, that's kind of petty. The author is never going to find the perfect laptop. There are always going to be some issues, so deal with it. While I am always in favor of throwing out apple products (apple sucks), this article is just stupid.
How is it petty? He stated multiple valid reasons why he decided to switch laptops on his personal blog. Nothing petty about them either, I can imagine jittery scrolling being very annoying/disruptive to some people.
We’ve found good results using only the configuration phase; we have versions with full SLAM but it tends to work well without it. The QuickMap app uses only access points detected during the configuration phase.