Why not it seems like a good choice to save for our future even if its not bitcoin Fiat could also be a good way.
Even if we still don't have a kid right now let's try to save for future expenses .
While saving in the name of the kids is a good idea, I do no know why we need to use them as a reason, save in bitcoin because it benefits you, because saving in bitcoin is a beneficial thing to do, bitcoin is very similar to exercising, it is good for you, it is going to make you healthier, to live longer and to have a better quality of life, while you can do that for someone else the one that will get the biggest benefits is yourself.