I think ownership is necessary to understand as a programmer when designing systems, regardless of whether or not the language has explicit enforcement of it. H

I think ownership is necessary to understand as a programmer when designing systems, regardless of whether or not the language has explicit enforcement of it. Having a clear idea of ownership and accommodating it in your data structures is the best way to know when to free an object in C. Similarly, having a clear idea of ownership can help in writing GC friendly code.