With its regular software updates, Google not only brings the Android security patches to its smartphones, but their functionality is also expanded. This keeps even older devices interesting for a longer period of time.
https://www.notebookcheck.net/Pixel-4-and-Pixel-4-XL-Google-keeps-its-smartphones-interesting.461709.0.html
Interesting?
They don't have 3.5mm jack and SD card.
Oh, and they have high prices.
In response to the last comment. My new laptop doesn't have a CD drive and only USB-C ports, dammit. Welcome to the future buddy, heard of Bluetooth and cloud storage or NAS!?