I partly agree with you, at least to some extent. But I think it’s actually the opposite of what you believe. I really want to build a house and the reason for getting so distracted might be that I already have the finished rooms in my head with a pool table in the basement, a pantry with wooden shelves, a nicely lit straight staircase,... and then it just doesn’t work out the way I imagine and I get pretty annoyed and pissed off.
Without a basement, I also see the storage issue as a problem, but that wouldn’t be a dealbreaker. If I look at our office and the two basement rooms, they are actually overflowing with tools, garden furniture and equipment, skis, tires, jackets, shoes, paints and varnishes,... A room behind the garage fills up quickly and we don’t even have kids yet. Sure, you could sort out and throw away a bit, but not more than 10%.