I have just played a 4v4 game where 2 enemy players deliberately built wooden walls and left them unfinished and i was not able to target them with ANY unit what so ever, the only way I was able to break down the walls was mangonols attacking the ground which took way too long as they built multiple layers resulting in them wining with a wonder.
I’ve reported them for abusing bugs, they 100% knew what they were doing. I watched the replay and it’s one of the first things they did.