Apologies for the less than subtle headline.
The preposition ‘for’ at the end of this one would have attracted the red pen from grammar teachers of yesteryear. So it might have read: For whom are we writing grammatically?
But doesn’t it sound, well, stiff?
It seems the rules are now being widely ignored. And those sensitive to these things better get used to it.
Check out The Guardian’s interesting piece 10 grammar rules you can forget: how to stop worrying and write proper
Careful when writing for some clients though, this sort of thing can get people very wound up…