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Windows and even Mac are clearly superior. As shown in the graph eventhough Linux is getting better it never even got close.
I think the way you worded it doesn't make it obvious that you're criticizing the graph specifically and not the os, hence your downvotes. But yes, that graph is absolute mess.
That wink was somewhat intended ;) The graphs are the intended primary meaning, but Linux usability has actually been complicated in the past.
I.e. I was unable to get a crappy 300$ Laptop running with Linux as a student (ca. 2016) to be used as a youtube/Netflix machine. But that is way in the past. It worked barely when using Windows and I had the hope to prolong its life with Linux. There were some complicated graphic driver issues.