Youtube is also a genuine platform that gets you an audience and discoverability, gets you ad revenue, and hosts your content (which in the case of streaming video is very much non-trivial technically). Patreon is a donation button with a feed. It's effectively a payment processor and in most of the world the margins in that industry are a fraction of a percent.
"She says she began making subscriber-only Patreon content in 2020 and hosting it on Vimeo. Then came the notice from Vimeo on March 11 that van Baarle’s bandwidth usage was in the top 1% of Vimeo’s users. So if she wanted to keep hosting her content on the site, she’d need to upgrade to a custom plan that could run her as much as $3,500 a year, given a week to make changes or leave the site. The Verge noted that her experience was just one of many — numerous Patreon creators received the notice, which has resulted in “confusion and panic.”