Exactly, if they would lower the tax to a reasonable level they would collect more revenues. As it is now I feel no shame in purchasing from the reservation to avoid absurd taxation.
If you ever want to see the principal of the "tyranny of the majority" or true democracy in action look no further than Washington State and ballet initiatives. A can of Copenhagen now cost $8.50 at the local stop and rob. On the res it's $3.00 a can. With a disparity like that people are willing to make a drive and stock up.
I am willing to pay $1.00 a can for taxes but not $5.50. As it stands now the state gets nothing from me and growing number of others have figured it out to. I would rather support the Indians than the democrats in Seattle anyway.