Anyways, lack of license turns up to be euphemism now for extortion, that is - lack of 'protection money' - because just like every mafia rule - they burn any business that doesn't pay the goons.
Spencer at Jihad-Watch reasons that it is as Iran's Khomeini's decree:
"Allah did not create man so that he could have fun. The aim of creation was for mankind to be put to the test through hardship and prayer. An Islamic regime must be serious in every field. There are no jokes in Islam. There is no humor in Islam. There is no fun in Islam. There can be no fun and joy in whatever is serious."
Full story at Jerusalem Post: Gaza water park burned down after shut down by Hamas
Unidentified gunmen on Sunday set fore to Crazy Water Park, one of the Gaza Strip's most popular entertainment sites.
Eyewitnesses said that at least 25 assailants participated in the pre-dawn attack. The gunmen beat the two night watchmen, bound their hands and confiscated their mobile phones before setting the complex on fire, they said.
Of course, there's a third option as to why did Hamas-holes burned down the only fun spot in Gazastan, it hurts the image they try to portray of the perpetual victim of Israel's mere existence.