Nnuance and context.

Imagine talking about the Russia-Ukraine war while refusing to talk about one the participating governments.

Imagine talking about Brexit while refusing to acknowledge anything the European Union has done.

Imagine talking about the Civil War while refusing to acknowledge the claims and actions of the southern states.

Now pretend that same person says it's important to include nuance and context in discussing these issues.

That's exactly what the anti-Israel crowd who plug their ears and scream "don't talk about Hamas" are like.