Sadly lots of the posh ones also end up facing a tragedy of the commons type scenario - I remember hearing about some new flats in Guildford that had a communal

Sadly lots of the posh ones also end up facing a tragedy of the commons type scenario - I remember hearing about some new flats in Guildford that had a communal gym, pool and other 'modern lifestyle' accoutrements, but apparently every weekend someone or other would have mates back for a pool party, leaving it disgusting with broken bottles etc. strewn around. Standards have changed.