Walking the stack via frame pointers is also faster than some other methods (https://blog.felixge.de/reducing-gos-execution-tracer-overhe...), it appears. This benefits use cases like profilers and tracers. In big deployments, continuous (sampled) profiling and tracing are common, helping not only with continuous performance improvements in fleets but also helping to root cause outages. Reducing the cost of such infrastructure can pay off.
My comment on that article still stands: https://news.ycombinator.com/item?id=34660474
tl;dr: don't make code generation worse for everyone else just to appease your one tiny use-case; fix your goddamn tools instead.