You get people that have learnt enough English to basically understand what people are saying, but not able to actual speak it that well. They'd still be able to speak English to some extent, but seemingly not well enough to talk on tv. I've seen an English speaking person do the same thing when being interviewed in French.
They may not be able to explain the intricacies of the lbw rule in English, but they'd be able to ask directions to the curry shop.
This is right. Its one thing to be able to understand what people are saying, but another to be able to formulate your thoughts and express them trying to explain things and answer questions.