Is it really about people not being willing to pay though? I hadn't even heard of Blendle, had I heard that it was a thing and had the mentioned publishers I w

Is it really about people not being willing to pay though? I hadn't even heard of Blendle, had I heard that it was a thing and had the mentioned publishers I would've used it. I've visited those sites so many times and I've never even seen a mention of Blendle.