Download will count active as soon as it starts finding peers [regardless of being stalled or non-seeder]
excludes queued and failure/unregistered torrent,
it will cleared once syncing is done ...
Bad Ratio warning or too many torrents running ...
Is how the system was set on this to prevent or to avoid conflict on exceeded download limit ...
[And the rest will queued once the process is done]
You can test this out on Freeleech ...
Grab 13 torrents under 100 Mb each and run all @ once, to do this [make sure that there are no other active download]
check the 13 torrent that stuck on finding peers you will see the Bad Ratio warning execution on tracker ...