Yes, but the talk about all of the benefits makes it sound like you don't get those benefits unless you enable it all the time.
E.g. "The first and basic thing is it allows you to grab the scroll bar and move down the page quickly. You don't have to double finger scroll over and over to get to the bottom of a very long page. You can simply drag and pull it to your desired location."
You know what? if you move your mouse all the way to the right to scroll with the bar you can also scroll for a fraction of a second to reveal it so you can grab it.
E.g. "The first and basic thing is it allows you to grab the scroll bar and move down the page quickly. You don't have to double finger scroll over and over to get to the bottom of a very long page. You can simply drag and pull it to your desired location."
You know what? if you move your mouse all the way to the right to scroll with the bar you can also scroll for a fraction of a second to reveal it so you can grab it.