If you don't have your own website (like the many, many YouTube content creators), it's much easier to promote a Patreon link and get people to support you on a regular basis than it is to drive people to donate with PayPal. Patreon also offers novel ways to support creators, like tiered donations and per-creation donations. This level of nuance (and the management that comes with it) is hard to replicate on your own.
