Because it was just too natural not to do so

This little person...
...did this. Mama found a keepsake ornament with her name on it, broken in the pile of rubble underneath the tree. So, Mama fixed it......and it is missing an arm. This delighted Mama because now, every year when Lindsay hangs her cute little bell with her name on it, she can be reminded about how she pulled the tree down trying to play with a Cookie Monster ornament. Probably when she is married and has kids of her own, Mama will send this ornament with a note: "Remember the year you wrecked the tree, dear?"

Which she won't actually remember.

But I guarantee you, she will be damn sick of hearing about it.