Replaced the psg side rear shock and spring today, Bilstein B8 and H&R. The old spring was bend like a banana, any thoughts of how this could happen?

Also noticed the sleeve/ bushing that holds the lower control arm, see picture, has play. Is this something that needs to be replaced? The rest of the suspension parts look good enough to not need attention immediately.

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Black on Black 1979 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE