If you really need a mesh (you probably don't), there are other solutions. If you know at least a little about home networking and WiFi, just setup a Unifi system and be done with it.
The newer story @ Ars has some updated stats and thoughts: https://arstechnica.com/features/2018/06/exclusive-plumes-ne...
Part of the improvement is the hardware. The latency improvement is awesome, for example. But part of it seems to legitimately be the optimization that their software is doing re: signal strength, which backhaul to use, auto updates, the level of customer support, and other stuff.
I don't know how it compares, but it seems it may be better than people were initially thinking.