Aftermath of flash flooding in Coverack, Cornwall

The transcript covers a range of topics, starting with a discussion about taking off boots and a mysterious subject. It then moves on to explore the concept of radio and its relation to national identity. Finally, it concludes with opinions on a movie and reaching a consensus.

How would you interpret the question 'Is that a national thing?'

What does the response 'Yes, that's a good movie' suggest about the speaker's opinion?