This is definitely a YMMV issue, but I redeem MR points at around 1Eurocent each, making 15,000 points worth $200+. I think most would concur that they can easily get 1 UScent of value per point so that's $150.

If you're lazy about it the value can be truly rotten, well less than $50 for your 15,000 points.

So I think you've been diddled, but not by that much...