The process or procedures for the removal top members of Procecutor and Security Service department is enshrined in legal documents. The government must follow these lay down laws to avoid the illegality of their actions. Maybe the government have done proper probe or investigation of the matter at hand and it was discovered that the allegations are valid. If the accusations are true and the punishment is removal from office, then the President did the right thing. Don't forget that Volodymyrs Zelensky is the President and Commander-in-Chief who has sworn to uphold the constitution of Ukraine.