Preventing Spotify from opening on startup can be a good idea for several reasons.
When Spotify opens automatically, it can use up valuable system resources that are better used for other applications.
Second, prohibiting Spotify from opening on startup can reduce your Macs startup time.
From reducing the number of programs you have to load.
How to disable Spotify opening using System parameters?
This can be useful if you want to disable multiple apps from opening at startup at the same time.
It can also be used to disable other apps from opening automatically when you start your Mac.
Why does Spotify open on startup Mac?
Spotify may open on startup on your Mac for several reasons.
This option may be enabled by default when you roll out the Spotify app.
When you enable this option, the app adds itself to your Macs list of login items.
Another reason Spotify might open at startup is that you drag and drop the app into your Macs dock.
When you drag an app into the Dock, it is automatically added to the list of login items.
To do this, drag and drop it from Dock to your desktop.