Privacy is a personal thing. Everyone does it for their own reasons. For me, I’m just sick of wading through adverts, targeted outrage and my details being sold to every company under the sun for profit so I cut down on every opportunity for those companies to harvest that stuff.
As far as governments go, I’m not sure anything I say or do is remotely of interest to them so it matters less to me on a personal level, but I also appreciate that people like whistle-blowers, activists, abuse survivors and journalists do care about those things so I fully support any measures that help support them.
From pixel tracking, to WebRTC leaking your real ip, fonts fingreprinting, canvas fingreprinting, audio fingerprinting, android default keyboard sending samples, ssl certificate with known vulnerabilities
All those things have ways of being tackled to some degree or other. Depending on your browser, WebRTC leakage for example is either a setting or an extension away.