IDG Answers is a community of experts who are passionate about technology. Ask a question or answer one below.
I’m not entirely certain, but I think it is related to two things, (1) the average user takes up much more bandwidth downloading music, video, kitty photos, etc. than they do uploading anything, and (2) to discourage file sharing/bittorrents. I’m not sure how hard it is to shift the “balance” (percentage of bandwidth used for uploading vs. downloading) based on need at the moment. Perhaps someone who knows a little more about this topic could expand on it