An aircraft with a RAT is a different kettle of fish to an obsolete aircraft without one. That said: perhaps*
*I have been…difficult for 40 years as a captain and no one has ever argued with me, In that time I have been confronted with NO generators twice** and am reluctant to explore the attendant complications again. Your curiosity and acquiescence may eventually provide you with other insights.
**including once, for a time, on a 330