[name_f]My[/name_f] guess is that people are calling it cringey because they haven’t heard it before, and it does sound very princessy, so it strikes them as a possibly made-up name that’s trying to be pretty.
[name_f][/name_f]I don’t personally find [name_f]Lenora[/name_f] cringey, though. I like it a lot. It’s soft and simple, elegant, relatively underused and seems versatile.