Again, I'll believe the Barristers and Lawyers and ex chiefs of police explanation of why they use the term "might", over someone with zero experience of the matter on a forum.
Kinnock did break the rules, the difference is, he apologised for it. he also didn't stay overnight. And he didn't have any hand in writing the rules.
The scottish case, she did resign.
So not really as many similarities as you'd like to believe.
As for your "insufficient evidence to prove he has?" he said he went home to his wife who he suspected had COVID, then went back to work. I am genuinely amazed some people are still arguing that he didn't, and that a 60 mile drive to test your eyesight is perfectly legitimate.