One of his main complaints is "People who promote Linux, don't run Linux" and he specifically focuses on those who hold Linux-related talks at conferences on devices that don't run Linux on the desktop.
Most people, who are paid to work on Linux and its surrounding ecosystem, are working for companies that are interested on Linux on servers / the cloud and I don't think that it is fair to criticize them for not joining the idealistic movement of bringing Linux onto more desktops.
Can you look at https://www.linuxfoundation.org/membership/members/ and easily point out those companies, that have a crucial business stake on Linux on the desktop? I can't.
Most people, who are paid to work on Linux and its surrounding ecosystem, are working for companies that are interested on Linux on servers / the cloud and I don't think that it is fair to criticize them for not joining the idealistic movement of bringing Linux onto more desktops.