At this point, I think the name recognition is the fundamental asset they have as a company.
> given the company is not only well-versed in the technologies necessary for decentralised, peer-to-peer networking through its software and protocols but also has a foothold in the entertainment industry via BitTorrent Now, helping independent artists and musicians promulgate their work using the same technology used to pirate the latest episodes of your favourite TV shows
I don't consider closed source clients for security reasons, or bloated ones (Vuze etc.) because I'd rather use a spare GB of RAM to make a filesystem more snappy than to load a Java environment that eats alone half the resources of a small server.
Deluge is more of a power-tool, albeit one most people can use happily.
The big thing that I like is that you can use the desktop GUI (GTK) client with a remote daemon doing the actual downloading. Plenty of them have web-clients (Deluge does as well), but it's nice using the proper GUI. Other than that, it has all of the usual tools you'd want from a client.