Explain, how a pipe should fail. Also not extra "VALVES" but "VALVE".
Who said anything about pipes failing? (Which they do occasionally, though normally with other root causes like a lose clamp that causes rubbing from vibration.)
You said no additional equipment was necessary, which is wrong. If nothing else was needed then you are saying it is just a software issue and Tesla is withholding HP ability just to spite people and make them pay more at Superchargers right?
2)Model 3 magic bottle can easily handle heat pump capable AC without any changes to glycol loop.
Isn't there only one chiller? So how is it going to heat the cabin while cooling the battery without additional pieces of equipment? (Or provide heat to both, or provide cooling to both, or provide cooling to the cabin and heat to the battery, etc.)