I personally LOVE the stoplight system. I rarely have time to do more than 1 or 2 surveys any given day, so it is great to see which are doing well. If I see green or yellow, I go for them first. Honestly, if I have trouble getting a survey, I'm lucky to do one survey, but if I do well, I go ahead and do another one or two. Knowing which ones are doing well help me actually do MORE surveys on a given day as I don't get as frustrated with trying to qualify. I guess business is business and you will have to do what is best for the site, but as for me, I'd be sad to see the lights go away.