You might be surprised at how many people don't know the difference between a search engine and a browser. If you ask random people what browser they use, especially people over the age of say 45, you're likely to get several people saying "Google". Not Chrome, just... Google. And no, at least some of them are not using that to mean Chrome.
I would hope a TV quiz show would do their research to know the basics of what they're talking about, but... I guess not.
You wouldn't even have to put in that amount of effort. Set Firefox's homepage to Google, and they'll be using Firefox and still saying their browser is Google.
I would hope a TV quiz show would do their research to know the basics of what they're talking about, but... I guess not.