Everything has the rights. The corporations have the rights under the law of capital structure to structure for safety and soundness. The court of any levels must respect the rights of corporations under the law of capital structure in financial systems
but by whom ---- I could say the TREASURY as it is the source of the investment - it is THEIR money (TAX $ if you prefer)
cancel the Junior ---- on what basis can anyone cancel the JR when they were purchased by individuals and banks and pension funds - for people
you might as well propose cancel the common ----- as that is the same as cancelling the JPS --- as again - without cash dividends paid out on JPS they are equity not debt ----- same as common