Nah, I reckon the UKAHFT have dropped a major clanger - and no one has even spotted it yet
If they allow this Windicator rule change to come in all you've got to do is tie a helium balloon to the end of your barrel when you get to an inclined shot. That should be enough to bend your barrel up and allow you to hit the target with ease. You just need a spreadsheet now on how much helium to put in for every angle and you're sorted.
See.. the Pete's don't even think about that sort of stuff when they consider new rules, the fools