Throtting = high latency
On thing that upsets me about this throttling, as I saw when I used my Sympatico account, my other TCP/UDP connections suffer. The latency variant between each hop jumps between ~+20ms to 200 ms. It is not just BT suffering, other things like SFTP seems to be throttled back too. Luckily, I have access to a NEXXIA account at work to do some downloading during slow periods of the day.
Bell is throttling ALL encrypted connections which includes SFTP, VPN, RDP, IMAP. They utilize the same vendor as Rogers to do their shaping/throttling (I got this info from a VP of Product Management for Bell) Once they started this crap, I noticed major fluctuations in RDP. Using RDP at 30kbps is ridiculous. The further problem is there is not set time when they throttle - it's just whenever "Network Congestion" is detected aka high use periods.