Threetimess for short. Would you pay for something that you can get for cheaper, i dont believe so. This app only provide a easier way to access contents so yes there should be a fee but this fee is currently way to ridiculous. It cost less to buy a book than read here...
"Profit must be equal to both"
Our profit: should be a price that we all agree to pay. (It was fine before because the cost to read was less, aka the pay gate. Now they just arbitrary lock all story at the beginning to make more profit.)
As for them: well obviously money.