Can we talk about how you just had your knife out on chaos?
That aside, it does seem inconsistent across both videos. The first one looks fine assuming lagcomp was
enabled, but the 2nd one looks fine assuming lagcomp was
disabled. Now if that was the case then there's nothing to see here, but you mentioned that you have lagcomp disabled all the time now, so there is something fishy going on...
I recently found that using demos is so much better for stuff like this, because you can go thirdperson and show the players' collision box, like in this example from my own demo, here's a laser going through my collision box which killed me:
View attachment 804
Obviously client demos are only useful in cases where lagcomp was enabled, but they can very clearly show if the plugin works.