I'm sure this has been brought up before, but I could not find it.
It would be really nice is Fusion gave a kind little hint that you might not have the right active component (selected component) in the Browser.
I still find myself adding bodies and sketches to the top level, or wrong, component because I forgot to select the right sub-component. This is totally my fault, but the tool could detect hints of my poor behavior and give me a gentle reminder that I might not want to be doing what I doing.
The reminder should not require any user response.
Apologies if this is on the list.