Android 12 with its Material You theming unifies the look of the home screen, and Google's new Gmail widget takes advantage of that while providing a quick and easy look at what's in the inbox. The wonderful thing about widgets is that the information is more easily accessible, just a glance away or perhaps a swipe if placed on another page. Either way, it's easier and more noticeable to have news flow to the home screen in a widget than requiring the user to go looking for it within an app.
Goo
Read more on screenrant.com