good. build it in north dakota. more production capacity is better...and above ground is better even if it does cost a little more. easier to maintain, easier to inspect, easier to repair, easier to upgrade and retrofit.
and an easy target.
You simply have no idea what you are talking about.
Pipeline maintenance is not simpler above ground. All that structure and slide plates create more wear points and expose it to more damage and corrosion.
Pipelines above ground expand and contract with the temperature variations. From day to night, the steel moves and special wear plates have to be maintained and replaced as needed.
We don't inspect pipelines by walking around them, stripping off insulation and coatings. We run smart pigs through them that measure the corrosion and check the integrity.
Pipelines, including the Trans-Alaska Pipeline, are buried when the can be for good reason.
Pipeline sections above ground are far more susceptible to damage.