I don't think that you should continue to post this statement as a defense of your position. It is self-incriminating. You have opted for the SSPX, not "for the sake of devotion", but as you have freely admitted, because of the Vatican's treatment of the FSSP's leadership. Your reasons are political, not devotional, because the indult is available to you.
Your consistent disparaging of the actions and judgement of the Holy Roman Pontiff can only lead the most casual and objective reader of your posts to conclude that you have no desire to be in communion with this pope, except on your own terms. But do not fear; Christ's mercy will exceed the judgement of the most casual and objective reader.
As a Catholic, the Mass is a right not a privilege. It is our nourishment and our sustenance. Nobody has the right to withhold it from us - just like a mother cannot deny her baby the sustenance it needs.
The Tridentine Mass was never abrogated. Attending the indult sends the message to Rome that you agree the Mass was abrogated and that you agree that special permission is required to assist at the Mass that was codified for all time by Pope St. Pius V.
There's a reason it's called the 'insult'.