Privacy is a luxury in this day and age. Anyway, unless someone is up to no good, why should they object to having someone look through their affairs. Since most of us are on computer and there are so many ways to have access to people's files, it only makes sense to allow reasonable inspections of things like medical and financial records and to scan a person's hard drive for child pornography and anti-government propaganda. Likewise, the demands that warrants describe the place to be searched and the people and things to be seized really handcuffs our police. The Fifth Amendment too, gets abused way too often.
Some people go so far as refusing to voluntarily give a blood sample or pee in a bottle.
Places like Saudi Arabia have found an answer. They simply cut the heads off those found to be using or distributing illegal substances. While we are on the Eighth, we might as well get rid of the prohibition on excessive bail. What's the purpose of bail if its not to keep people locked up after they are arrested. The jury system is outdated.