[Canticle_of_Deborah]

They didn't. SSPX was formed in the 70s. FSSP came into being in the late 80s as an alternative to SSPX. If SSPX didn't exist, the FSSP and the other Traditional Indult Orders would not exist. The Traditional Mass would be a quaint recollection of an older generation.

[tiki]

I misunderstood. I thought you were saying that the FSSP was responsible for the indult.