I do think that modern society encourages us to be greedy and lazy and yes, Smurfy, I agree that people need to address the problem for themselves.
Did anyone see that 18 year old boy who weighed 32 stone? His mother was going on about how he eats far too much and how they were all worried about him but the whole family were huge - like elephants - he was just an extreme example. The mother could not see the bad example she had been setting for years and years.