Do the maths. In the last couple of years, about 600 million legacy PCs have shipped globally.“Over 30 million computers preinstalled with Ubuntu have shipped globally in two years and OEM sales of Ubuntu machines are growing in EMEA and South East Asia, while Ubuntu Kylin experiences continued growth.” If Canonical and the market have delivered 30 million with Ubuntu GNU/Linux, that’s 5% of shipments, about the same as MacOS and Apple.
That’s quite an accomplishment and shows GNU/Linux is not dead/dying/insignificant which is what you would gather sniffing around The Linux Foundation and the web. It also explains the recent growth of GNU/Linux web-stats. If Canonical and “partners” can keep this up, web stats should approach ~5% in a few years.
Further, there have been millions of downloads of the new Kylin GNU/Linux based on Ubuntu so growth will likely accelerate.