Mars ain’t the kind of place to raise your kids, and interstellar travel is currently impractical.
What you say is, of course, correct. People have a hard time grasping the enormity of time, though.
It was centuries between Columbus landing in North America, and the American Revolution.
The tiny decades since Man landed on the Moon, show enormous change, as that picture so eloquently demonstrates.
I just note that Columbus and America could not save Old Europe, though.
... in fact, it’s cold as hell!