Shrug!
It's commercial infrastructure, not a fetish.
You saw the same arguments when the Python Cryptography library started adopting Rust to replace memory-unsafe C code in their C library. People running, like, DEC Alphas in their basements for sport were furious. It was on the front page of HN for several days. It blew over, because nobody really cares about those people in a durable, meaningful way.
Same situation with FTP. It's dead. Stick a fork in it.