The cool parts - the parts that have won Dubai its reputation as 'the Vegas of the Middle East' or 'the Venice of the Middle East' or 'the Disney World of the Middle East if Disney World were the size of San Francisco and out in a desert' - have been built in the last ten years.
Heckling is an act of cowardice. If you want to speak get up in front of the microphone and speak don't sit in the dark hiding. It's easy to hide and shout and waste people's time.