Current LED flashlights are regularly putting out 500-700 lumens of light, depending on how close you are to the cutting edge. Do you think cyclists need 7000 lumens in front, or are you referring to the nightlight-equivalent "bike lights" sold in most bike shops? If the former, I'd have to disagree with you. If the latter, you should probably note those as such, and distinguish them from the modern and readily available technology in LED flashlights.