Most of those aren't primarily tipping sites though. The major use case is often purchasing a product vs tipping.

Patreon is billed as a way to tip but in practice is often used for additional benefits for members.

Most people donate to the Kickstarter for the perk they get vs tipping a creator for an idea.

OnlyFans is to gain access to additonal access to creators.

The only one that doesn't have a direct product you get is probably GoFundMe but I think the charitable feeling is the product you're buying there.