Great point. Python 3 for many just wasn't a great carrot. That's why they didn't switch. For a while it was even slower. Also most importantly Python 2 wasn't

Great point. Python 3 for many just wasn't a great carrot. That's why they didn't switch. For a while it was even slower. Also most importantly Python 2 wasn't that bad of a stick. It was just pretty darn good to begin with. And of course that it is still supported on some OS-s people will keep using.