Earlier quoted context omitted.
I think Sahil addressed this elsewhere before, but my own assumption is that if someone is willing to hand over money for something they understand that creators deserve to be paid for their work and they won't then go ahead and distribute it at no cost. The latter shouldn't be a concern anyway, even if the link was unsharable someone could still download and re-upload elsewhere. The technical solution I assume (whic…
Gumroad could proxy the download (what else would people be selling?) but I suppose that implies large bandwidth costs.
They already offer that option (to upload directly to them) it's an option alongside using a link. Even if someone uses the upload link the problem of buying -> downloading -> uploading elsewhere exists, just like it exists on itunes and any other service, so really it's a none issue...