Public keys are meant to be public, so is it a problem if everyone knows your public key? How often do you want to SSH into a remote server while wanting to rem

Public keys are meant to be public, so is it a problem if everyone knows your public key? How often do you want to SSH into a remote server while wanting to remain private? And supposing you really want to, can't you maintain separate keys for separate hosts as other commenters have suggested? Perhaps I'm missing something here.