"Is like" or "are like": Which one?

"This is not an excuse, it's an explanation," he told Marr. "But … prime minister's questions is very aggressive, confrontational. That's what prime minister's questions is like and I don't think you can change it actually. The Guardian

Eu extraí esse trecho de um jornal e gostaria de confirmar se houve um erro com o uso do verbo "to be" antes do "like". Como o substantivo está no plural (questions), então deveria ser "are like". Estou certo?