[mylife]

They were testing for Christ sakes. (silent)

It aint like they were yakking loud.
Even if they were for Christs sakes, this is ridiculous.

This man murdered someone for a minor infringement.

I hope he rots in hell.

[Trailerpark Badass]

Not to excuse anyone's behavior here, but texting is not, or may not be, silent.

Audible keystrokes, as well as the various sounds indicating a message has arrived, can be quite loud and obnoxious.