Amendment 2 (2014) - Florida Right to Medical Marijuana Initiative

[coredumped]

I get why most of the sheriff offices around the state are against medical marijuana, it's big money for them to keep it illegal, but why are Sheldon Adelson (vegas investor) and the jenkins family (publix) opposed to it:
http://ballotpedia.org/Florida_Right_to_Medical_Marijuana_Initiative,_Amendment_2_%282014%29#Campaign_contributions_2

And why is John Morgan so for it?