It's the toe - the primary "advantage" is that they can warm up the tires on formation / restarts without having to scrub back and forth. That scrubbing motion wears especially hard on the rear tires.
Right, that's what struck me about this question too. It is not about "beautiful design" when it comes to linux software, it is about being functional and that includes being on top of all of the fragmentation when it comes to linux desktops, window managers, distributions, and libraries.
It is hard to justify paying for something when you have to spend an appreciable amount of time getting it to work in your set up. Working well out of the box and consistently with updates is the first step.