It is, of course, Bad Style to use too many em dashes.
I don't know. Almost every canonical rule of Bad Style is one I've seen made beautiful by some authors.
To avoid misunderstanding, I was using capitalization like scare quotes. I'm not sure there that there is anything as black & white as universally bad style, just inappropriate style for the effect intended.
In the case of em dashes, I'd cite Patrick O'Brian.
(Actually, it doesn't take much excuse for me to cite him. His novels are quirky but amazingly fun
*sigh* You, my wife, my best man... so many people whose taste I respect rate O'Brian so highly that I'm getting to believe that I'm actually
wrong about him. I mean, it's pretty good stuff but I don't fancy ploughing (US: plowing
through the remaining 17.
and his prose style cannot be imitated.)
Ooh, that sounds like a challenge. Naomi Novik's already doing fun things with fantasy influences on the Napoleonic naval wars but I'm now tempted to write something in the O'Brian mould (US: mold
where rival alien factions have turned it into a space war. Let me mull...