If you respond to “Breitbart is shit” with “but what about X, Y, Z”, then it is. But if for example the conversation instead started with “X, Y, Z is shit”, then it wouldn’t.
I agree with you that MBC, salon, and huffington are bad. (I disagree that they are worse), but that isn’t relevant to criticism of breitbart.
It depends on the context of the conversation:
https://en.wikipedia.org/wiki/Whataboutism
If you respond to “Breitbart is shit” with “but what about X, Y, Z”, then it is. But if for example the conversation instead started with “X, Y, Z is shit”, then it wouldn’t.
I agree with you that MBC, salon, and huffington are bad. (I disagree that they are worse), but that isn’t relevant to criticism of breitbart.