You're on to something. It has been fairly well established that, from the 1950s at least, seminaries were biased in their selection of priestly candidates. https://www.amazon.com/Goodbye-Good-Men-Liberals-Corruption/dp/0895261448
All this stuff is pretty groovy under Francis. He promotes bishops who in turn tolerate priests and deacons like this.
http://www.amazon.com/Goodbye-Good-Men-Liberals-Corruption/dp/0895261448