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but the point is that i don't always call a push, esp if SB pushes. so i want to give myself the option of folding with minimal losses, and i also want to get myself into a spot where BBs push hand range will include a lot of hands that i don't mind going allin with. mind you, i still believe he will fold alot, but there's a huge difference between my equity when he pushes his top 25% of hands than when he pushes his top 5-10% of hands.

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OK, fair enough, but I think the additional folding equity from a bigger raise compensates for those concerns. After all, you're essentially hoping to steal the blinds, and a small raise is really inviting a re-steal from a hand where you might have a shot if you call the re-steal but you don't really want it to even come to that.
In other words, I see your point-- especially since I DO make those raises with marginal hands intending to call re-steals-- but in practical application you want to just take the pot down here more often than not.