The comment you are replying to is probably more about finding a balance between comfort and luxury than an exact guide on what limit to apply to your spending. At least that's how I take it.
I'm also French and I don't know, maybe you're right and that's a way to hide the real racist motives. I'm probably biased because I dislike all religions equally though
The electrical network connecting all your federated renewable infrastructures is managed by one entity already, isn't it? That's the same kind of risk you describe.
I get why people don't like nuclear power and there are many valid arguments against it but yours is not
Many kids would like to be a teacher on Monday, an astronaut on Tuesday, a veterinarian on Wednesday, ....
But I guess here the demographic is a little older than my example so it might not apply