If you use the handle to grab and move the speaker label to another section of the script, the screen will not scroll. So, the function is only useful if the text you want to move the speaker label to is on the present area of the screen. If, like other applications, you would allow the dragging process to scroll the screen, it would be far more useful.

Screen recording attached.

By the way, another feature request: Please do away with Canny for feature requests. Requiring an additional log in to submit a suggestion is cumbersome and seemingly unnecessary.