My source for this was watching the final myself. When I watched the broadcast myself it was clear to me that this was the problem. Also the (Finnish) commentators were very knowledgeable in the sport and pointed out the problem many times.
I was unable to find a clip of his throws in YouTube, but here's a Google Translated article from a Finnish newspaper: https://bit.ly/3xvZWMk.
I was unable to find a clip of his throws in YouTube, but here's a Google Translated article from a Finnish newspaper: https://bit.ly/3xvZWMk.