How do you give someone a thumbs down for there opinion of a baby name?

I don't understand how you can thumbs down someone because they like or dislike a name. There was a question, 'what did you name your kids?' I got two thumbs down and counting. Devon, Logan, and Hayden....you don't have to like them, but I do. It's rude. I like the names Madelyn/Madeline, Katelyn/Caitlin, Ariel, ALeah, Abigail(Abby), and Ruby for girls. Adam, Jacob, Owen, Mason, Alexander(Alex), and Nicholas for boys----You don't have to like them, but I do. When someone asks for a good name, these are my choices. Not to offend anyone, they are just names I like. How can you thumbs down me for what I like? It's odd to me. I thumbs up people for names I like, the only time I thumbs down people is if there names are ridiculous(they're being a smart a*s) or they list every name A-Z. You don't like all those names....C'mon now. Anyway, for those of you that thumbs down people, why? How do you thumbs down someone on what they named their child...you don't have to live with it. Just curious. Thanks in advance.