Sure did. On my 18th birthday my father said to me “Happy birthday, I’m low on smokes, now go to the store and buy cigarettes for me.” When I asked for cash he politely reminded me that he provided 18 years of room and board. Welcome to adulthood.
Well, because those things have to be obtained, and you don’t have a right to what someone else has obtained. You have to do it yourself. Remember, the concept of natural rights means the rights you would have in the natural order of things outside of a given society. So you have a right to hunt and gather what is available.
So we had to amend the constitution and add some other rights that needed pointing out. Like, slavery.
But lets not forget, that at any given point and time we can amend it again and take rights away. And if it can be amended and taken away by nothing more than popular vote then are they really inalienable in the first place? Words have meanings.