Objections to Sedevacantism: Who are you to judge?

Some common objections heard when pointing to the conclusion of sedevacantism: "Who are you to judge the pope?" "You're behaving like a protestant." "You don't have the authority to declare." Yet what does the Church say? What are we obliged to do? Source: http://www.traditionalmass.org/issues/#c 2. Holy Scripture teaches us:  …