Smartphone manufacturers receive millions to billions from Google or Apple for placing their software on your phone. You should definitely remove these apps.
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Of course, such amounts are only worthwhile if there is a benefit: The pre-installed software collects data and exploits your habits. You should therefore remove bloatware or install an alternative operating system such as GrapheneOS.
Some pre-installed apps can also be easily deactivated via the app settings. They are then inactive, but continue to use memory. If deactivation via Android is not possible, you can take a look at the "Universal Android Debloater Next Generation". With this tool and a little technical know-how, you can often deactivate the apps anyway.