The country with the greatest personal liberty, currently probably the US, is consistently a place that people would choose to live if they had a choice. This is a hint that moving away from personal liberty will end up with a society that is (1) free of crime and (2) not a desirable place to move to.
I'm not really going to expand the argument; I hope it is self-evident why having your activities reviewed by a person who might choose to arrest you is going to make your life worse. Statistically and at the macro scale that is a bigger threat to you than a home invasion (even if you think you aren't committing any crimes - I hope you've read all the laws that apply to you, don't ever get into a grey area and the police never make a mistake!).