Proof the Bombshell should be nerfed?? Check out this game I just had...

[The RawkHawk]

The shell can be used for more the defense, and a good scally player will do so.
Even so - shell has some weaknesses that can be exploited. The easiest way to protect yourself is having good map awareness so you can see when the shell moves.

I only viewed the reply once - so I'm sure I missed some of the inter-workings, but it did seem to me that there were several moments where critical opportunities were missed. WorldFamous mentioned the one that stood out to me the most.