Meaning of the word "a bad custom is like a good cake, better broken than kept" in English

What does "a bad custom is like a good cake, better broken than kept" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a bad custom is like a good cake, better broken than kept

US /ə bæd ˈkʌstəm ɪz laɪk ə ɡʊd keɪk, ˈbɛtər ˈbroʊkən ðæn kɛpt/
UK /ə bæd ˈkʌstəm ɪz laɪk ə ɡʊd keɪk, ˈbɛtə ˈbrəʊkən ðæn kɛpt/
"a bad custom is like a good cake, better broken than kept" picture

Idiom

a proverb suggesting that harmful traditions or habits should be abandoned rather than maintained

Example:
We should stop this outdated tradition; remember, a bad custom is like a good cake, better broken than kept.
I know it's how we've always done it, but a bad custom is like a good cake, better broken than kept.