I can't speak to Ifedi's alignment, or whether either trend is actually significant across a sample size larger than three still frames. However, the examples given for the tackles' stances giving away the playcall seems to be nonsense.
All three of the pass play examples are out of the...
Didn't he stay in the game after having the finger popped back in? Did he seem to have any accuracy issues to you? The consensus seems to be that he didn't have any issues with it in that game. Any reason why accuracy issues would appear a week later?