Gentlemen, some information about the details of the rules being discussed on this thread.
Environmentally Sensitive Areas (ESA) - can only be deemed as such by a local authority - town, county, etc. Usually setting aside these areas to protect wildlife areas, fish streams and so on, is mandated as part of the golf course development permitting. ESA can not be arbitrarily implemented by the golf club itself. ESA can be played as a Water Hazard, Ground Under Repair or OB. IN each case stakes with green tops are used to identify the area. While there is a 2 shot penalty for playing a shot from an area of ESA, there is no penalty under the Rules of Golf for entering ESA. There may, however, be local ordinances which prohibit entry, that is up to the local authority that mandated the ESA.
In the case cited above where a player was disqualified from a tournament for entering ESA, it is more likely that he played a stroke from the area, signed his scorecard without including the penalty and then was disqualified for signing an incorrect scorecard. If the Committee disqualified him for entering the ESA only, they errored.
Water Hazards/Lateral Water Hazards - an area of a golf course can not be marked as a WH/LWH unless it fits the definition listed in the Rules of Golf. If, as mentioned above, the USGA marked a wooded area as a LWH, then there would have been a stream or marsh or similar in the woods.
If a club decides to let certain areas of its course grow wild, then what is wrong with having those areas "through the green", the same as a wooded area or any other part of the course that is not a putting green, water hazard, bunker or teeing ground?
As for having the ruling bodies change the rules - good luck with that one!