The point of certificates is that they prevent things like MITM attacks on updates that replace the legitimate app with a malicious version. They also prevent y

The point of certificates is that they prevent things like MITM attacks on updates that replace the legitimate app with a malicious version. They also prevent you from installing fake software if you know how to use them, e.g from a malicious ad that looked just like the real Logitech site. They're also requited for all mac app store apps, it's not really about the specific use case of the app.