The facts of how the burmese got there you posted in your letter is completely WRONG. What part of did you miss in the 200 or so reptile forums any many posts on how the burmese got there from HURRICANE ANDREW in 1992 did you miss .
1) The Barkers study was HUGELY informative. It did point out the Boa Constrictor Occidentalis was the only snake which avoided cold temperatures. Interesting because there has been a push to designate this locality as its own subspecies. This behavior would add support to that argument.
2) THERE IS NO EVIDENCE TO SUPPORT THE "IRRESPONSIBLE OWNER" THEORY. Please stop buying into the media driven hype! It's been said and repeated so many times that everyone just BELIEVES IT. And that's part of the problem. We need to be saying, and repeating the above (very large) statement over and over until people begin to believe it too!
The evidence available actually suggests that the MAJORITY of the pythons in the Everglades are the result of a "mass release". The only example I can think of where these animals had the opportunity to be released in mass was Hurricane Andrew in 1992.