I've read Ecclesia Dei but I wonder if you have. Paragraph 3 is particularly important since it states specifically that Lefebvre and the four bishops committed a schismatic act. You stated earlier that the decree merely implied that their act was schismatic.
Although Par. 6 c does call for a wide and generous indult to be given to the older form of the rite, you cannot equate any bishop's failure to grant this indult with the defiant act of disobedience to the pope that Lefebvre committed. The earlier document that Ecclesia Dei references, "Quattuor abhinc annos" (Oct. 3, 1984), permits bishops to grant the indult to groups who request it but does not require them to do so. Ecclesia Dei is clearly exhorting bishops to be more generous in granting the indult but it is not requiring them to do so. It may be argued that a bishop who does not grant the indult is failing to abide by the spirit of these directives, but it cannot be argued that he is guilty of defying the pope's authority or that he has committed an act of schism.
Really, your arguments are absurd.