I would have preferred to see the question framed this way:
"Do you believe there is positive and probable doubt regarding the validity of the FORM of the new episcopal rite of consecration?"
To that question, I would vote yes.
And since Catholics are not permitted to receive doubtful sacraments, it would mean we cannot avail ourselves of the sacraments of priests ordained by bishops consecrated in the new rite.
About 10-15 years ago, a group called Rore Sanctifica gathered in Europe to study the matter, and concluded in the rite's invalidity.
This provoked the SSPX (Fr. Gregoire Celier, himself a dubious character, and Fr. Calderon) to write in favor of validity, and shortly thereafter Avrille also did so.
Regarding Avrille, the article was unremarkable, and below their normal acumen.
Not sure what Avrille's motive in writing was, but their article published in the Angelus followed upon some troubles between them and Menzingen, which itself went back to Bishop Fellay's 2000 - 2002 desire to strike a deal with Rome (i.e., Menzingen was already upset with Avrille for the latters' oppositional intransigence to a deal with modernist Rome, and the relationship between them and Menzingen continued to degenerate because of that issue).
I always wondered if this article was a half-hearted attempt by Avrille -not yet ready to break the chord with Menzingen- to win a little good will from them by writing something favorable about Rome (though I certainly do not intend to impugn Avrille's integrity).
In any case, against Avrille and the SSPX Fathers Celier and Calderon are well-written articles by Fr. Anthony Cekada, which I personally find more compelling in concluding at least positive doubt (and in Fr. Cekada's opinion, invalidity per se).
I am not sede-anything, and don't go as far as Fr. Cekada does, but I do believe -again, in my personal opinion- that he has done enough to establish positive and probable doubt.
Consequently, I do not go anywhere near these questionable priests/bishops, unless necessity dictated I take the chance and play the odds.