I dont believe that, sure things have change since 50yrs, but so has the world, most people I believe would still help others out.
http://www.bbc.co.uk/news/uk-england...ester-17482258
many people i work with each year have gone on a 60 mile bike ride from Manchester to Blackpool for charity.
http://www.bike-events.com/Ride.aspx?id=311
look how many people turned out each day to look for April Jones the 5yr old missing girl, not just the whole community went looking so did people from 100s of miles away..