The main downside is lack of integrations with the tiered perks Patreon offers. Most of the creators I follow don't really rely too heavily on the feature but I can see it becoming a larger hassle if a creator has to manage two platforms
* less fees
Edit : My lazy self actually went and read up on it :
> Liberapay does not take a cut of payments, the service is funded by the donations to its own account. However there are payment processing fees.
This is a great example of dogfooding.
https://liberapay.com/Liberapay/
They're the second largest recipient
It's hard to be "the Wikipedia of X" but once a tool has achieved Wikipedia status, competitors have basically no chance. A truly crowd-sourced and people funded solution is irreplaceable once it's mature and fully established
A somewhat related feature of Liberapay is there's a lot of flexibility in the frequency of your payments. You can enter in $5/week but it will suggest a payment frequency that minimizes fee. E.g. paying $21.43 every 30 days instead.