Shaddows - 4:12 pm on May 25, 2010 (gmt 0)
As long as I can easily avoid them, I see no reason for others not to have them.
Except for gobbling the bandwidth from others, most of whom seem happy without.
What do they accomplish anyway, apart from risking the promotion or denegration of brands- especially as many mods/admin will opt out? Eroding brand-free space seems a big price to pay for a minority interest