It depends a lot on what you want to do and a little on what you’re used to. It’s some configuration overhead so it may not be worth the extra hassle if you’re only running a few services (and they don’t have dependency conflicts). IME once you pass a certain complexity level it becomes easier to run new services in containers, but if you’re not sure how they’d benefit your setup, you’re probably fine to not worry about it until it becomes a clear need.

It’s fun in a way that defies comparison.

That’s why I have one host called theBarrel and it’s just 100 Chaos Monkeys and nothing else

They aren’t a waste of money if investors can assume that there won’t be party changes in the future.