何が悪いの

what's wrong with it

→ 何
phrase Rare #32,334
what's wrong with it Often used rhetorically or defensively to challenge criticism, with the meaning “what's so bad about it?” The の at the end adds an explanatory or questioning tone.
JA: 好きな服を着て何が悪いの?
EN: What's wrong with wearing clothes I like?

いて何が悪いの

What's wrong with being naked?

これ何が悪いの

What's wrong with this?

何が悪いの

What's wrong?

— ムーラン・ルージュ (2001)

パパにひどいことを何が悪いの

What’s wrong with doing something terrible to Dad?

— ダンガル きっと、つよくなる (2016)

この食べ物何が悪いの

What's wrong with this food?

— バーフバリ 伝説誕生 (2015)