Yes if you want to. Routers are a necessary abstraction from the IPv4 days and seems it will stick around for a long time, and we need solutions sometimes around those topologies.
Are you conflating a router with SNAT? Routers as in L3 routing are not an "IPv4 only abstraction."
Are you conflating a router with SNAT? Routers as in L3 routing are not an "IPv4 only abstraction."