Originally Posted by mtb_addict

I went on a night social ride, and see people with super bright headlights that are poorly designed...problem is it puts out allot of light into a small spot, which is useless in a riding environment. These lights are dangerous to other road users and should be banned.
I turned my head to look back, and I was blinded for a few seconds by the ridiculously bright lights.

Good head lights will illuminate a wide area so you can see little left, right, close up, and even far ahead.
My 3-watt German headlight is low power, but it throws out alot of light wide and evenly. And don't blind people.