Loving that walk across Wales video too
Fairplay to him for doing it in Wales where he'e trespassing for most of his route. The fact he doesn't just have to deal with the cold, shit terrain, brambles etc but also has to put up with the paranoia that an angry landlowner might pop up at any time and give him a bollocking just all combines to make it very funny.
If he did it in Scotland (apart from crossing gardens) as far as I know it would all be pretty legal and the underlying threat of landowners would be gone to a largeish extent I imagine.
Quite impressed by the variety of terrain he encounters, so many different bits and types of forest, river, valley he encounters in the 40 odd miles. Simple idea just walking in a straight line that works well