Using RPi 400 as a home PC in living room to read news, to watch videos, to listen music, etc. Using RPi 4 8GB as a desktop PC for office manager (LibreOffice)

Using RPi 400 as a home PC in living room to read news, to watch videos, to listen music, etc. Using RPi 4 8GB as a desktop PC for office manager (LibreOffice) and for a couple of developers as a "terminal" to bigger dev system. They pretty much used to it.