Anytime there are uncompetitive fields, win pool bettors are taking it up the wazoo, paying way more than the advertised rate.
If I told you that the effective takeout in the win pool for Monmouth so far this year is 38% would you believe me?
Well, you don't have to, but someone with the right tools (Dave Schwartz?) can confirm it.
Why is this happening? Uncompetitive fields. The favorite is winning 47% of the time.
So yeah, the rake has to be lowered, but also, fields have to be more competitive (and larger).
But - you do have a choice of where and when to bet. Save your wazoo and be discriminate!