that how its works of right now for as far as i can see and trust me the 40 seconds video i tried uploading took over 30 mins while on youtube or twitch soon it only takes a second or 2
i can not for the life of me think about wen someone with a 10kbit line is uploading omg then mine thats second in line will take days
DTube is still in its infancy. If you havent noticed it only sup[ports 480P video. Give it some time to mature and grow. It will get better.