Recently upgraded my WAN to 10/10 Gbit/s P2P Fiber. The router is a UCG-Fiber, connected via a DAC/SFP+ cable to a USW-Flex-2.5G-8-PoE switch. My APs were already Wi-Fi 7 with 2.5GbE PoE, so no change there.
Total cost was around USD 400. The result: effectively unlimited bandwidth, and, best of all, an average latency of 1ms to the internet. Do I need it? No. Do I love it? Absolutely.