Two-leg standing desks are very wobbly. You should offer a premium model using a four-leg design, similar to DeskHaus's [1]. I don't represent them, but I do have one of these desks.
[1] https://desk.haus/products/apex-pro-2?variant=39436448366741
[1] https://desk.haus/products/apex-pro-2?variant=39436448366741
The Lumina team could consider this modification to add stability if that is an issue in their product’s usability.
Raise your desk way up and give it a nudge - watch the monitor jiggle
I have the Fully "extended range" model, maybe 6" from the top height.