I actually did that for a while (on my PC at least). Major pain in the ass unfortunately.
Of course it's good to block that crap, but usability takes too much of a nose dive. I do live in the EU though, so when it comes to data protection things have gotten a lot better in the last years.
I already knew that we're fucked. But scientist said more around 2050 or something. The way things are progressing right now the next 10 to 20 years are going to be dicey.