I get that point, but I run a platform powered by Stripe Connect. Redundancy at that level would require the customers who sell their products through my platform to set up an additional account, go through additional KYC, etc - which is unrealistic. Alternatively, I could register my business as a PayFac, which costs a ton of money and depending on your network, also faces outages from time to time.
Sometimes things truly are out of your hands.