These people need a good dose of their own medicine. Ruining their nights rest would exhaust them in no time.
4am would seem to be an excellent time for police to do an extensive drug search. Same for health dept. inspections & garbage collection.
Bullhorn: “Everybody out of the tents. We are here to search for drugs & weapons. No one will be allowed back in their tents until the search is completed. Anyone interfering will be arrested & charged with felony obstruction of justice. Is it chilly out here? Have a nice day!”
A few nights of this & the OWS will be too dazed to speak, much less protest.