Much of Europe and US is situated too far north for trouble-free solar operation. Other power sources do make sense there (or, for me, "here").
I keep hearing that several hundred thousand square miles of solar panels in Sahara could power the entire hemisphere. They could if transportation was 100% efficient. Even if we pretend that we can build humongous power lines out of superconducting material, maintaining them is going to cost us a lot still.
So your logic doesn't quite hold up.
I'd much rather live with a nuclear power station in my backyard, than install solar knowing I'm robbing those who can't afford it for my usage of the free grid battery.
Rooftop solar as implemented today is not sustainable, and is a regressive tax.
So the only honest way to do this is with your own energy storage - e.g. batteries. I do agree the allure of being completely off-grid sounds great, until you price it out. So I choose nuclear reactor in my backyard until energy storage tech catches up.
So are electric cars. Both are solvable problems, and will be solved as adoption increases.