Your team owns a payment-processing API with an SLO of 99.9% availability measured over a 28-day rolling window. Over the last three months, the service has consistently exceeded its target, finishing each window at 99.98% and never consuming more than 15% of its allocated error budget. Product management is pushing hard to accelerate feature delivery, while the SRE team has been spending significant effort maintaining an elaborate multi-region failover system built to protect reliability. Following SRE principles, what is the most appropriate recommendation?