The reality is that traditional priests, whether sspx or not, have the duty to provide mass and the sacraments and save souls. Their views on new-rome and its canonical standing as schismatic, modernist, heretical, etc are not as important as saving souls. Therefore, even though i agree with you that the "official" position of the sspx is hypocritical, there are many priests who are using the group to continue to serve the faithful.
Would it be better if every trad priest regarded new-rome as schismatic? Yes. Would it reduce the faithful's need of mass and the sacraments? Not one bit.
Ergo, your argument is based on idealism, which, while good, solves nothing in the present crisis, other than to 'stir the pot'.
I would agree with you up to the point of your last sentence. Firstly, the Church has the responsibility and duty to provide the sacraments to Her Children. She is being prevented from doing so, and and souls are dying because of that. It needs to be seen and internalized as tho whom it is that is responsible for this Devil's work, and that should be the first and prime concern of our leaders. Sticking fingers in the dikes rather than stopping the criminals who are poking holes into them will never suffice.
Folks should indeed be seeking the valid sacraments while they can, anywhere they can receive them excepting places where they are being indoctrinated by false or dangerous doctrines.
The saving of one's soul is his first obligation, his personal sectarian preferences are secondary, if that. If a groups position is indeed hypocritical then one should not adhere to their ideas and should avoid taking them to heart or at face value as to do so will confuse them and prevent them from seeing the Truth. Get the sacraments when needed and go no further. Never make their errors your own.
Finally, my argument is based upon principles not ideals. There is right and there is wrong, there is good and there is evil , and the distinctions thereof should never be set aside or minimized for some goal of expediency or man conceived.
When the the fruit is a little rotten, or half rotten, it is no longer fit to serve its purpose according to Divine plan and will. It is tainted and always dangerous to the soul. This reality has been fudged by clerics and other leaders so called, since the council into some hybrid idea that we have the ability and authority to leave the decaying fruit within the basket without it ruining the whole and ourselves along with it. That is the idealism of man's arrogance towards the purity of the Holy things of God. It is practical Liberalism on display.
Yea is Yea, Nay is Nay. That is Christian reality. Living within those boundaries are not idealism, but duty and honor in service of our Creator and His divine order.