- no Snap

- Flatpak instead

- Most standard Ubuntu apps missing

- In-house replacements for many Ubuntu standard components: their own browser, their own email client, their own calendar, their own media player, etc.

You can install the Pantheon desktop environment on standard Ubuntu.

https://askubuntu.com/questions/66757/how-to-install-the-pan...

P.S. > would of adopted them

* would _have_ adopted. "Would've" is short for "would have" not "would of" which never ever occurs in English. This is a common error but it drives me crazy.