Idk I just really value texting

I don’t get how people can just ignore texts like its nothing I understand if you’re busy that’s one thing but if you’re just like doing typical things in everyday life and your phone starts vibrating and it’s a message saying “hey! I’m ordering pizza come over if you want” how can you just ignore it??
It’s a little personal message sent to you on your phone for only you to see…it’s like getting passed a note in class. No one else can read it but you. I think that should make anyone feel special