"lying" is not a good way to depict the difference. "Risk tolerance threshold" may be better. "Professional disagreement among experts" is yet another. "Willingness to try something untried or controversial" is another. "Not willing to take a position" is another. "Absence of clear facts" is another.
It does surprise me that no one has tried to mock it up or modify a single track and experiment. Maybe some consultant has been engaged to do that in a lab setting somewhere. Maybe the test (and its answer) would depend on technical specs that haven't been nailed down yet (e.g. brand of equipment, exact height of pantograph, etc).
And then there is the reality that while the solution may be technically doable, it may also be expensive and so isn't being tackled until there is an electrification program launched that actually requires it. With lots of sandbox gossip filling in the silence while we wait.
Or, nobody willing to actually commit one way or the other when that electrification launch is still a ways away. But making contingency plans in case the answer is negative. And the contingency, which may never be needed, gets talked up as a statement of fact when it hasn't been proven yet..
- Paul