Can nord AA detonate in air without doing any damage?

I’m playing italy’s tt 8.7 g91 and am really struggling with this proxy mclos missile’s consistency. Sometimes the proxy fuse activates and does no damage even in headons, is it intended or not? like 1/10 times i get a kill and most times its non critical hits or nothing. Thanks for your time spent reading this, this is my first post

They’re bugged right now yes. So heavily inconsistent, mostly only working against the slowest and largest of targets, if even