The Infinite Chocolate Bar Puzzle

Looking for the answer to the chocolate bar puzzle. Here I have collected all the pieces of info related to this puzzle and my thoughts.

Riddle Question Illustration Video

Puzzle Answer and Explanation

That left-out chocolate piece covers the increase in the gap in between the diagonal cut. That gap increased by a slight bit so slight that our eyes fail to notice it. And I also feel that the length of the rightmost row also decreased by a little bit.