what is your objective comparison?

The couch is as deep as it is tall, it’s also about the same height as the coffee table.

What’s more likely, that they have a room full of unusual short furniture,

Not really that uncommon if you are trying to create more open space in a room. It’s also not very uncommon in Asian households.

that she’s trolling and/or joking?

No real reason to debate, she is an actress. Her audition sheet says shes 5’6", she’s wearing 3-3.5" heels, which would make hubby around 5’"5.