Play along, anyone? KK, flopped A, sizeable field

[skunkworks]

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With 5 other players in the hand with you you can be almost certain(80-90% sure) someone has an ace and already has you beat.

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I don't like this advice. I think it's wrong, and I think the 80-90% figure is just a random figure that reflects some weak-tight thinking. Not trying to be mean... I just don't want a beginner reading a post like this and being misled.