> conversely, when an object is traveling at a rate of 0.1c, it matters greatly that c is finite.
Not that greatly: the size of most relativistic effects is v²/2c² + O(v^4) which for v = 0.1c is 0.005. I would have used a bigger number for the example, say 0.9c.
A1987dM comments on Evolutionary psychology as “the truth-killer”