Casinos in Kansas City/Missouri

#1
I am occasionally in the Kansas City area and the few casinos I have gone to didn't offer games that seemed beatable but then again it has been awhile. Apparently they have done away with the $500 loss limit in Kansas City and when reading this article I noticed this interesting bullet:

Voter repeal of Missouri’s $500 loss limit has attracted one chip counterfeiter to test the state’s casino security systems. Look for pro card counters increasingly to visit the high-stakes blackjack tables in Missouri, where card counting is legally protected.

Here is the link to the full article:
(Dead link: http://www.kansascity.com/504/story/965881.html)

Does anyone know what this language "where card counting is legally protected" means?
 
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