Ok, I had a closer look!
in 1-str-120 and 2-str-100 the motion appears like a solid USX (upstroke escape) to me. I don’t think anything is “breaking down” here: it sounds good and the repetitions are fairly consistent with each other. (I think you forgot to upload 2-str 120 by the way).
Of course USX means that you will “swipe” the Paul Gilbert lick - but no biggie, I think you have good muting happening so the extra string is almost inaudible. With time you can try experimenting with avoiding that unwanted string using additional wrist motions. But the key here is to stay smooth - no bouncyness allowed - and in any case it’s nitpicking as your current version sounds good
With the scale (6-str 120) it’s a bit harder for me to see what is going on. Is this 3 notes per string on each string? I see only two picked notes on the lowest string. In any case, the ascending side sounds pretty good. It may be that you are using a USX form also here, which would allow you to pick the whole ascending scale by using some downstroke swipes. Again you are managing to keep swiping noises very low - if there are any.
The descending side is a bit more ropey, which again would be expected if indeed you are a mostly-USX player. I think you are swiping on the downstroke string changes - i.e. on the inside picking parts of the scale - maybe watch it again to check if you see the same thing. This would indicate that you are not clearing the strings after downstrokes - maybe knowing this can already help you to clean it up? let us know!
In parallel to trying to clean up the fully picked approach, one strategy you can try for the descending side is Down-Up-Pulloff on each string (Yngwie style). I’d give that a go and see what happens!
Also, when you have time, it would be cool if you could try to film again the ascending and descending scale with slightly better lighting and possibly pointing the headstock a bit more towards the camera. Ideally we’d like to see the interaction of pick & strings as clearly as possible. you can even try to use the phone’s flashlight if that helps.