Well I suppose the ‘point’ is that it’s called Virtual Families, that seems to suggest making a family...
Just like real people, why do we have more than one child? – surely our genes are passed on in that one and then we’re done?
The point is to do what you want and have fun!! Have as many kids as you feel is necessary, one, two, six, adopt some...
If you’re looking for a ‘point’, I think you’ve missed the point.