Interpreting how it would have been understood at the time is quite subjective; how do we interpret how the Founding Fathers would've considered semi-automatic rifles or Facebook to fall in First/Second Amendment jurisprudence, or how far you can push the General Welfare Clause? The Founding Fathers themselves often disagreed on such things.

> Do you have a better suggestion that’s less partisan and less prone to abuse?

I'm of the opinion that textualism, in actual practice, is a highly partisan and heavily abused concept intended to be a thin veil over "I rule the way I want". I prefer the concept of a living Constitution; per Jefferson:

> I am not an advocate for frequent changes in laws and constitutions, but laws and institutions must go hand in hand with the progress of the human mind. As that becomes more developed, more enlightened, as new discoveries are made, new truths disclosed, and manners and opinions change with the change of circumstances, institutions must advance also, and keep pace with the times. We might as well require a man to wear still the coat which fitted him when a boy, as civilized society to remain ever under the regimen of their barbarous ancestors.