Answer:
An exchange of diverging or opposite views, typically a heated or angry one.
Explanation:
Hyperbole.................................
The answer is not Irony, as it isn't ironic
The answer is not Symbolism, as it is literal
The answer is either Personification or Motif, if I have to choose, I'll take Motif.
If you are talking about face shields its an alternative to masks. That way you can clearly see their face and mouth for listening purposes.