Reusability is not binary, saying 'all liquid rocket engines are reusable' is pointless. It's like saying surely a Formula 1 car is equivalent to a Tacoma in te

Reusability is not binary, saying 'all liquid rocket engines are reusable' is pointless. It's like saying surely a Formula 1 car is equivalent to a Tacoma in terms of 'reusability', because both can be restarted. Spoiler: they're not.