Oh, really? so, playing arc 3 can you just completely ignore arc 1 and arc 2, automatically ignoring all your progress from those arcs, and start from scratch again from arc 3? like that?
In short, arc 3 ignores all other two previous games, and it doesn't matter if you played them or not! I didn't particularly get the 3 subalterns of temari in arc 2 and they just appear in arc 3 dominated by the mc, if that for you that "doesn't break the plot of the game at all, because a technical mechanic has nothing to do with the continuation of the story!" So what is it? huh? bah, no need to answer!
By the way, I don't know the meaning of the term "cringe" but neither do you seem to know what "plot break" means.
And finally, don't try to be a smartass on me, because I only criticized the new game mechanic, everyone has the right to criticize. Ah, don't even dare answer my comment man, you're just wasting your time!