> file sharing: Your premise is incorrect, you can stream them as well.
Of sorts, when there's enough excess bandwidth available that fairness doesn't really matter. By design bittorrent randomizes download order to improve the ability of peers to be of mutual interest to enable tit-for-tat.
That is possible, I have never used this feature. Though I’d guess that something new or old enough for it to matter, can’t download fast enough to keep up with a stream anyway.
Of sorts, when there's enough excess bandwidth available that fairness doesn't really matter. By design bittorrent randomizes download order to improve the ability of peers to be of mutual interest to enable tit-for-tat.