IMHO, there is enough leeway in what was in the guidelines and what was said in one of the briefings before he went up there that his trip up would be deemed applicable. the journey home seems to be covered by him getting specific permission to do so.... The trip to the Castle cannot be excused in any form and that should be what does him in. IIRC, the only time he was seen walking in the woods, he was on private land, not public.
Ali wasn't attending family funerals (he was at two in the same day) and Kinnock's trip was something that could easily have been done over the phone/Skype/Zoom/ETC...
It's right to call out Cummings for what he did wrong. I've not held back on that... but it's equally as wrong to ignore the fact that Labour MPs, who couldn't have known if they were contagious or not at the time due to how the virus acts, have broken the rules as well.
Ignoring their actions tells the public that if you're not important, then you can do whatever you want