That's the answer for some things. But many times you want to snap an item to another as a starting point. Not to replace it.
Shift parent is very easy, fast, and works in most situations.
> On May 22, 2014, at 9:49 PM, "scott.aelist" <AE-List@media-motion.tv> wrote:
>
> I think the real answer is that AE should let you drag-replace anything regardless of whether is has a 'source' or not.