I always discuss about SLAs when arguing about language X vs Y.
Even if language X loses in microbencharks against language Y, if the application written in X is still within the project delivery SLA for acceptance testing, who cares about the microbencharks.
Even if language X loses in microbencharks against language Y, if the application written in X is still within the project delivery SLA for acceptance testing, who cares about the microbencharks.