Team across the spectrum should realize that “Angry customers/feedbacks” are a goldmine for you and for your team.
They are providing feedback, what your
a) Development Team
b) Quality Team
c) Product Owners
d) and thousands or millions of other customers could not provide (basically they just skipped it when they were irritated).
So next time welcome your angry customer/feedback, listen to the whole story and identify what’s broken and can be fixed.