Stripe doesn't refund the processing fee too.

> Depending on your fee schedule, you may incur fees to refund a charge. Additionally, Stripe's processing fees from the original transaction will not be returned in case of a refund.

https://support.stripe.com/questions/understanding-fees-for-...

Stripe made this change recently, I believe. It looks like Square is following Stripe's change.

Google is inaccessible in China. It's banned by Great Firewall.

It's not really banned or inaccessible. But connections are severely throttled down.

It really is inaccessible.