And this is what we mean when we say our entire lives have literally been shaped by patriarchy, misogyny, and capitalism. That's not a political statement or argument to sound smart and further a point, it is literally what is happening and controlling us EVERY SINGLE DAY.
Except only the very privileged feel entitled to sit the way they do at home in public, shared spaces at the expense of other people! Also, your balls don't require what is referred to as manspreading. Not unless they're the size of bowling balls. They aren't. If they were the condition would be visible. In which case, feel free to carry on as you travel to your doctor. Otherwise, assume your fellow passengers want more space & just keep yourself in your own damn seat.