Don't confuse the very privileged western society that I'd guess you have direct experience of, with the whole world. Its not the same.
America and new purchases are the tip of the iceberg of the market... maybe those kinds of statistics will be accurate in 15 years time when everything trickles down. Nobody has a mobile phone with a fancy OS to a reasonable approximation, and if they do they are all androids (which you can call it linux all you want, but Google did a whole pile of work to make it viable and has locked up and made it difficult to work with the usual tools people associate with that environment)
America and new purchases are the tip of the iceberg of the market... maybe those kinds of statistics will be accurate in 15 years time when everything trickles down. Nobody has a mobile phone with a fancy OS to a reasonable approximation, and if they do they are all androids (which you can call it linux all you want, but Google did a whole pile of work to make it viable and has locked up and made it difficult to work with the usual tools people associate with that environment)