lumping good and bad together; treating everything as the same
Idiomatic expression used when someone fails to distinguish between what is good and what is bad, often in a critical or exasperated tone. Literally 'miso and shit are the same'.
See also: 味噌
He lumped the good and bad together and rejected all the proposals.
It's not good to criticize everything without distinguishing between good and bad.
A set phrase combining 味噌 (miso, a staple food) and 糞 (kuso, excrement) to contrast something valuable with something worthless, emphasizing the absurdity of treating them as the same.