No, I think you’ve got that backwards.
Resistance is a physical property of any given conductor, determined by material and geometry. If you want a cable to have less resistance for a given length, for example, you must increase its cross section. Or use copper instead of aluminium, silver instead of copper (specific resistivity of these metals decreases in that order).
For any given conductor, if you want more current to flow, you MUST increase the voltage.
You must decrease the resistivity of the whole grid to have more current flow at the same given voltage. EVERY conductor (cable) in the whole grid must be upgraded accordingly. Good luck with that.
Yes, what you said:
“EVERY conductor (cable) in the whole grid must be upgraded accordingly. Good luck with that.”
And upgrade the power plants too. In other words, the entire electrical infrastructure needs to be upgraded in order to support the libtard dream.
Home construction should be made more energy efficient too (IMO) for all electric homes. Adding to the cost of course.