The opposite of GSFL is the arms race that is retina searing rear lights.
I really really wouldn't want some of the ones I see on my commute. Simply because you can't trust the motorists behind to be able to safely pass something they're unable to look even in the general vicinity of. They may ward off many people, but they're not going to ward off the fuckwit who now can't see you well enough and is going to try and pass you anyway.
The opposite of GSFL is the arms race that is retina searing rear lights.
I really really wouldn't want some of the ones I see on my commute. Simply because you can't trust the motorists behind to be able to safely pass something they're unable to look even in the general vicinity of. They may ward off many people, but they're not going to ward off the fuckwit who now can't see you well enough and is going to try and pass you anyway.