Responding to a B&M breach of etiquette?

[Tapin]

(I originally posted this in the B&M forum, but I'm not sure it belonged there so I deleted that post and moved it to here.)

Last Friday I was sitting in a ridiculously soft low-limit game at Artichoke Joe's near San Francisco.

I'd been playing fairly tight-aggressive (really, too tight and definitely overplaying) for a couple hours, when a hand came up where I three-bet preflop and bet all the way to the river with KQs after flopping a Q. On the river, the third heart (not my suit) hit and a guy who called three cold preflop -- the only other one left in the hand -- raised my bet; I called his river raise, made a comment along the lines of "show me the hearts," and he turned over his rivered set of sevens.

I chuckled, made the appropriate mental note about a guy chasing less than a two-outer, and mucked my cards. Immediately, a player who had folded preflop asked to see my hand and the dealer obliged.

Now, I didn't say anything -- after all, it was "legal" for him to ask to see my cards and I wasn't really interested in tightening up the table by making a stink about it. But it occurred to me as I thought about it later that night that there has to have been a way for me to let that player know that I didn't appreciate the breach of etiquette, without necessarily upsetting the table vibe.

I'll be damned if I can figure out what it is, though.

Any suggestions? Was just letting it go (which I did at the time, but have since regretted) the most +EV move in that situation?