My father in-law has one similar in his pickup truck and it hasn't moved since he installed it almost a year ago. Hopefully the mount included with this will be similar.
As far as the style, this makes it easy to transition to a dual camera setup. The old style dashcam didn't really have the space for a dual len's setup, but this style does and it wouldn't surprise me if they use this as the basis for that dashcam. I am curious to see how the 6 lens setup works for clarity and playback, can't say I ever saw a dashcam use this type of lens system so it's gonna be interesting.