The problem is that then governments are slaves to the populist vote, and the population will always vote for the quickest benefit to them.
There's been quite a few projects and policies in Australia that have been short term pain for long term gain.

The distinction is "through which users".
Merely putting something online does not make it social media. The key is the ability for users/passers-by to add their own content and/or comments, which then allows for interaction between users.