Re: "We expect that Canada's judicial system will ultimately prove Ms Meng's innocence."
Meng was arrested and placed under house arrest due to suspicion of defrauding the banking system. She has relative freedom while on bail. All details of the case are transparent and publicly available. The Canadian judiciary is mostly independent from government.
Kovrig and Spavor have been locked in an unknown detention center with no details of their crimes provided except that they are held for "espionage". The Chinese court system is completely controlled from the top down by the CCP.
Let's leave whataboutism and "you did X first" in the Soviet era where it belongs.