The stupidity that comes out of your mouth is just quite amazing at times. These people have researched this over a number of years and found that rugby league is number 1 on social media They haven't just cherry picked a few Royh Morgan- polls and tried to make out it actually meant something.
And In this case it was just the results from the NRL competition included - no rep football. Which is very, very popular on social media.
The most popular AFL team, Collington appears in 3rd position . If the Australia Kangaroos, the Blues and Marons were included then Colligton would be relegated to 6th place - Wow how shithouse.
I was very impressed to see that Melbourne Storm where the 2nd most popular football team in Australia on social Media ahead of Collington and behind just the Brisbane Broncos. And as you point out, the research is a few years old . Maybe there number one now!

Rugby League, the dominant force in Australian sport!
"I do like annoying the Victorians; they are so easy to get, At times I've looked at them and had a giggle." Peter V'Landys