Tourism, in general, but all the world's romantic, marvellous and 'unique' spots: Venice, Rome, Athens, Paris, London, NYC, San Fran....
Crowds, rules, fees, more fees, lineups, crowd control, advanced ticket sales(with specific time slots) for natural wonders.
There's a Grotto at a National Park on the Bruce Peninsula in Ontario, Canada that requires you to book at least a day in advance - to park and hike.
Brutal.
No.
No.