If scale really mattered they should have rewriten it in Go, Java, C#, Rust....

Or if feeling fancy, Erlang, Elixir.

They were looking to scale up their marketing reach. Would Go, Java, C#, or Rust have had the same effect?

"Migrated from Python to Rust? That makes sense, I guess. Next".

"Migrated from Python to Javascript? What? That's crazy! I'd better read this."