KQo flop decision

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I think UTG limping tells something of his level of play already, something like a weak sooted ace maybe? Or a PP.

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Is limping with weak suited aces and PPs 66-22 so bad? I often do exactly that in 1/2 and 2/4 based on the SH PF chart that's been linked to before in this forum and can be found here. My criteria are the players behind me having low PFR and AF numbers. Does this get me into more trouble than it's worth?