Maybe you missed this earlier…?
Edit; My post from a similar topic, and I’ve just spotted someone at the bottom suggesting something to try on windows machines by the looks of it. It doesn’t need drivers on a mac…
Also another post there with the same system as my new one (albeit older OS, I’m on 13.4) so maybe it’s down to the supplied cable? If you see the same numbers as I did in diagnostics, that’s the first thing I’d swap, as it’s so cheap. As I said there, I got a ugreen B to C cable, and it’s not glitched at all since then.