It’s not obvious that you need them. In modern hw especially, often you don’t. Most people add them because it is (usually) not harmful and it can be helpful a

It’s not obvious that you need them. In modern hw especially, often you don’t. Most people add them because it is (usually) not harmful and it can be helpful and they don’t care if it’s wasteful. https://youtu.be/P8MpZGjwgR0 https://youtu.be/P8MpZGjwgR0