Two comments:
1) Magic: the Gathering strategy was developed and refined almost entirely through the Internet. If you want to be a competitive Magic player, you need the Internet.
2) If you need narrow advice - "how to fix a broken faucet" is pretty narrow - than the Internet works pretty well. If you want to learn to be a plumber, yeah, the Internet kinda sucks, but if you have relatively limited needs, it works.
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.