>>89617971the usage of the idiom itself is incorrect
"sour grapes" is an expression when someone doesn't get a thing/result they wanted and decides to complain about it as a way to cope, example of sour grapes behavior would be
>oh, she's not in CC's karaoke? eh, whatever, the song choice would be shit anywaycalling sour grapes over someone hoping next album/EP won't be dropping too soon is a peak example of ESL word salad