I have bought and tried M-Audio and Moog pedals. In addition, I have also tried the "Y" brand with a couple of "Y" splitter cables inserted to swap the polarity. I also have kicking around an old Casio pedal from days gone by (90s maybe?), but I haven't tried it yet. They all behave basically the same. I configure per your instructions in your video.
Is it possible that something is electrically wrong with the unit? I also have trouble with the touch screen. The right hand nav buttons often take an extra tap, or just send me to where a nearby tap would have. Since this has been such a persistent issue, I have become very deliberate in where I touch and the unit seems to only bat .500 with respect to my taps at the right edge of the screen.
FYI, I got the unit from Amazon in November 2018.