Somehow it is easier for me. Can it be that I can drag the mouse faster to the right as a right-hander? Maybe because the cursor is more often on the right, because of scrollbars on the right side? Maybe because many programs have their vertical menu on the left side (Outlook, Teams, etc) and therefore the left side would be too busy?
To be honest, some of these are exactly the reason why I would keep the taskbar to the left - UI elements such as scrollbars or caption buttons are much faster to access with mouse, when they're glued to the edge/corner of the screen, because you can just "throw" your mouse cursor instead of having to aim for a 20x20px target. Having your taskbar to the right takes away that feature
Part of Fitt's Law. The corners of the screen infinitely large so they are easiest to target. As you said, just "throw" your mouse. The edges of the screen are infinitely long (1 dimension) but you still need to target the X range. Still easy to target.
UX designers use to study this stuff and apply it. Now they unwittingly undo all of these thoughtful experiences with their cosmetic changes.
