The work requires a moderately large investment in technological and theoretical developments and long periods of time to carry them out, without the pressure to achieve quick or short term results.
If the courts regarded tweets and other social media information as private, it would not prevent the law enforcement from getting information it really needs. But the government would have to get a search warrant, which requires it to show that it has probable cause connecting what is being searched to a crime.
Bouldering on real rock, which I'm more used to climbing on, is a lot more static and requires mostly finger power, whereas competition-style boulder problems are about coordination.
Happiness is a choice that requires effort at times.
A secure pluralistic society requires communities that are educated and confident both in the identity and depth of their own traditions and in those of their neighbours.
To handle the economy and services in a country like Iraq requires delegation of authority and the choice of competent people.
Next-generation networks are hard to build. It takes a lot of money and effort to lay fiber, install wireless infrastructure, build satellite earth stations, and more. It also requires a reasonably certain business case for deployment, which is all too often hard to prove in parts of the country with sparse population and/or lower incomes.