From Wiktionary, the free dictionary
go along for the ride (third-person singular simple present goes along for the ride, present participle going along for the ride, simple past went along for the ride, past participle gone along for the ride)
- (idiomatic) To accompany someone in a passive manner, or to take a relatively passive or detached role in a project or group activity.
2023 September 30, Victoria Bekiempis, “‘Dark’ donations, free love and the fall: the Sam Bankman-Fried trial is here”, in The Guardian[1], →ISSN:Bankman-Fried’s confidants were along for the ride. At his side was Caroline Ellison, Alameda’s CEO and his on-again, off-again lover.