Until now I was pretty sure it's only useful if you run systemd-networkd since you would disable NetworkManager.
Benefits would be a more lean network setup with less memory usage and dependencies.
Can't speak on how Ubuntu does things
I didn't mean to offend. But what's a minor spoiler for some might be a major spoiler for others, which is the case for the OP. It'd be pretty sad to miss out on the "when it hits"-moment
Well I guess knowledge is power, and power is kinda fun. There's a reason many people say this game is special.
If you don't feel the game right now, that's ok, you can keep it on your list for later. But please avoid spoilers like the plague.
Water is good for you