Wanting improvements to Lumetri is great ... I've certainly ranted about it's limitations enough since they killed SpeedGrade.
But ... video imaging/processing ain't at all like unto stills. Stills apps and controls are built for working one image at at time. Or you can batch what, 20 or so?
Video ... not even close to the same thing. You're dealing with between 24 and 120 images per second ... for as long as the sequence plays.
And past that, the images themselves are typically not at all like
...