I'm not sure if I saw it or heard the radio version, but I found it mildly amusing because she's such a deadpan character. I think my fav featuring her is when her parents show up to pick her up and they're all like "Mara is just like us!". 😀
I noticed that in another Progressive commercial, they made a callback to Jamie's secret life when the guy obsessed with his motorcycle showed up with it as his "plus one".
I hate that commercial with the brat mocking his father for trying not to cry. The kid says something bratty near the end, but it appears they removed or replaced it.
There's a link to the article earlier in this thread.