I wouldn't read too much into it, heat of the moment all hopped up on adrenaline you don't always follow the exact right celebration etiquette. Not a Maddison fan but I wouldn't blame him if he was copping it.
Many years ago I was on a real dry spell as a centre forward and I'd been dropped to...
It's surprisingly common. There was a surgeon here who replaced the wrong hip on an elderly lady. The Minister of Health put a positive spin on it after they redid it saying "she got two hips for the price of one!". On the flip side people are notoriously shit at accurately remembering...