@@unknowngamer4661bakugou told izuku how useless he was he bullied him and told him to take a Swan dive off he roof of a building so he did have everything to do with him being suicidal
Katsuki: What happened after the fall, Deku...? Me: Nah Katsuki, the question that need an answer is in first place "why would Izuku need to fall in the first place ?".
i just wanna say the path can go either way and no one has any control over it he could be a villain or a hero i mean his route is the same either way until the REAL turning point comes