I own one of these as my personal laptop. I pretty much agree with this review. Unless you care about more niche things like coreboot, there is nothing really special about the laptop. There is nothing really bad about it, either. It meets my practical needs, and I am happy to support the limited market of more-"free" hardware.
I have not tried to use PureOS. As soon as I received it, I tried to install Qubes OS, but I was not successful. I ended up installing Debian stable, which has been my OS of choice for many years. I have not had any hardware support issues so far on Debian.