NOYB

Whether it should be the behavior; It's a human interface. It should accommodate humans in the way that humans work. As humans we don't typically sort lists in a case...

Using the left column item names as input for label is problematic for touch usage due to inadvertent toggling of settings as the left is commonly used for touch scrolling...

On touch devices vertical scrolling is frequently done with the left thumb along the left part of the display where the item names such as "Block private networks" are located....

Smartphones are not the only touch devices and testing deliberately is unlikely to result in an inadvertent action. My purpose is to point out the potential, not squash the use....

 Today the dropdown list is working fine. Had done \F5 numerous times to no avail in case it was a client-side caching issue. Perhaps it was a server-side caching...