This really needs to be toned down. You're already at a disadvantage, as you're likely being shot by their teammate already and taking a lot of damage, so you don't need this massive flinch that's basically impossible to shoot/aim through.
https://youtu.be/T3ud-RMnAAQ
Skip to 0:52 for clarification of what I'm talking about.
Straight on flinch, while annoying, is manageable; however, flinch from the side is nearly impossible to compensate for and needs to be addressed.
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Flinch was never and will never be a fun mechanic. It puts some unneeded randomness into the firefights...