I like the principle but predict this will ultimately be captured by people with a uniform point of view. There is far to much misclassifying different opinion or set of priorities as a "lie", these days.
I'd like it if they could label search results as "upsetting" or "tin-foil hat" and then let me set my filters to include or exclude them
Censorship is google, facebook and twitter's business these days. Long gone are days to have freedom of speech!