Purging The Stupid
sfgate.com
sfgate.com
Also, when it comes to YouTube, I think a script that simply got rid of all comments would approach 100% accuracy for stupidity since the number of worthwhile comments is so infinitesimally small.
The admins eventually got a nice karma system in and the gay porn stopped immediately.
If it isn't you then who is to say that the person judging isn't removing value from you to reinforce their point of view.
Almost worse if it is you, then what is to say we aren't going to create a society of echo chambers, where you can tailor the internet to read what you want or expect it to read.
I'm sure we could expect a Conservofilter. Wouldn't that be a great day for humanity when schools can install something that removes all those "unscientific" comments about Darwin on a nice wholesome YouTube post.
Comments should still remain, primarily, about freedom of expression even if most of that expression is just there to remind you of the illiteracy of the majority of the population.