Yep, they are stingy.  I've posted before about STBDW's experience with Sears MC CLIs.  All scores over 750, 9 years perfect history with the card, no lates on anything ever.  She got her first CLI from $3900 to $5100.  After 9 years.  (BTW, she requested $7K.  Got $5100.  Did I mention 9 years?)