Earlier quoted context omitted.
Even if you can show the intention of the developer was to aid the user in taking a certain action, if that action can be legal in some cases, how can that be held against the developer? Is a gun scope illegal because it helps a shooter hit their targets where sometimes shooting those targets is an illegal action? Should torrenting be banned because it is often used to transfer illegal files even though there are a l…
The beauty of law being a human institution is you get to look past such fig leaves. Here, the fact that the author billed SeeqPod as a "streaming music startup" tells you all you need to know about whether his service just incidentally facilitated copyright infringement, or was designed to profit from its users' copyright infringement on a mass scale.
I think this situation might be similar to google/images rather than youtube as others have suggested. Google certainly indexes tons of images which infringe on someone's copyright. Furthermore you can view them directly in google/images.