I'd be embarrassed to speak to or be a member of a group that needs that stupid sarcasm thing.
Mehhhh ... I'm just used to it (been on Internet discussion forums since 1997). Reeeeeallyyyyy well done sarcasms (not saying mine always are) are likely to be misunderstood by people who don't know the one posting it or who read hastily sometimes get fooled. I find using
Sarcasm "tags" is a lot less hassle than explaining what I meant to some one who is immoderately POed and whose adrenaline is flowing (BTDT Got a Drawer Full of T-Shirts).
Sarcasm "tags" also take away a
gotcha! straw man from liberals/Progressives who play dumb take obvious sarcasm literally. Got a couple of those T-Shirts, too.
On the other hand, sometimes ...

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