I don't think there's anything to "get". If you like it you like it, if you don't then that's fine too. There's no right or wrong with art - it's whatever makes you feel like you like it.
Personally it's not my cup of tea, and I wouldn't spend my money on it, but I can understand why some people get excited about things like this - I never thought much about the Mona Lisa until I saw it in person, and it really is quite remarkable considering when it was painted, but also it becomes cherished and a "classic" as a result.