This is wrong. Good Friday and Easter are holidays, but the Christian faith does not revolve around holidays. They are traditions instilled by the men of the Church. They are not even Biblical holidays. Their meaning derives from the Bible but God's Word nowhere instructs us to observe these as holidays. Even Passover is legitimately a Biblical holiday while Easter and Good Friday are not. Easter is a recognition that the Passover holiday is fulfilled but it is not a holiday from God's Word in and of itself.
Even if they were Biblical holidays, the entirety of the Christian faith does NOT revolve around ANY holidays. The Christian faith revolves around the Gospel message of Christ's Redemptive work for the Salvation of mankind. Easter and Good Friday do point to the Gospel but they are simply traditional celebrations - they are neither sacraments nor Biblical holidays. In Christianity, one can know and evangelize the Gospel without needing holidays to do so.
The holidays are positive and good for the Church but they are not essentials by any means and can be cancelled, especially when the reason for cancellation is to serve our fellow man by protecting their lives. I can't understand how a Christian can justify putting these holidays over the well-being and very lives of their fellow man.
Even atheists in this thread, who have no Christian faith, can objectively understand this in the context of God's Word and the Christian religion.