While true for the more trivial cases there are examples that show the opposite e.g. Whatsapp's choice of Erlang allowed it to scale up easier with less enginee

While true for the more trivial cases there are examples that show the opposite e.g. Whatsapp's choice of Erlang allowed it to scale up easier with less engineers - https://www.wired.com/2015/09/whatsapp-serves-900-million-users-50-engineers/ https://www.wired.com/2015/09/whatsapp-serves-900-million-us...