As someone who never used a multi-cursor IDE (I've seen other use it but not in a convincing way): what's something that you use this for that you don't think v

As someone who never used a multi-cursor IDE (I've seen other use it but not in a convincing way): what's something that you use this for that you don't think vim can do? The main purpose I've seen is basically block mode (like ctrl+v) or (iirc) repeating things on multiple hits (like n. or indeed cgn).