I'm sceptical of the pricing. I can certainly see their best case costs being as claimed, but what about practical realities like safety access (every how many

I'm sceptical of the pricing. I can certainly see their best case costs being as claimed, but what about practical realities like safety access (every how many metres?), land purchasing, endless lawsuits due to the electromagnetic radiation, needing multiple tubes in order to get reasonable throughput, NIMBYism and all the other crap that goes along with large civil projects.