It was a joke as Taril said, as in she doesnt want to make it too serious and cheesy even though she likes the compliment
Your whole take is built on a false premise, so I'm not even gonna bother. Just tell me - where do you see a joke, here's the video:
https://shorturl.at/owgkB She sounds like a spoiled streamer who gets spammed with those comments daily. If that's a "joke" then describe what a non-joke would look like in this context.