P.S. I would be remiss if I didn't also mention a fifth thing that Patreon did which was part of its secret sauce, the feature nobody realized Patreon was giving us until they tried to take it away and broke everything: charge bundling.
In December 2017, Patreon announced that they were changing the rules of the game, in a way they tried to pass off as advantageous to creators, but was something very else under the hood. What that was, well, nobody's quite sure because of how much lying Patreon did and because of how they swore parties they told things to to secrecy.