It's self selected so much as you clicking "yes" when it asks if you are ok with the client submitting your data, it's not a survey in the sense that you have t

It's self selected so much as you clicking "yes" when it asks if you are ok with the client submitting your data, it's not a survey in the sense that you have to take time out of your day to answer it. If anything linux is probably over represented, so seeing the number go down is concerning for anyone that hopes for linux to be a viable alternative for mainstream users.