To be clear, “Degraded Performance” means just that, not “down.” Let’s Encrypt’s issuance is mostly working fine.
I see you are unfamiliar with status page-ese. “Degraded performance” is a term which means some form of “the entire datacenter is probably on fire”.
What % of requests succeeded vs failed? How many certificates were issued during the outage vs the average? That might actually clear things up
I have tried many times to renew my certs and have had 0 successes throughout today. It seems to be 100% degraded to me.