So this means if you want to clear all your cookies you have to sign out of Google? I really don't see what the big deal is it looks like the button is pretty

So this means if you want to clear all your cookies you have to sign out of Google? I really don't see what the big deal is it looks like the button is pretty darn clear about what it does and does not do, perhaps they could include a link to sign out of google as well?