It has also been the talk that I've seen the most discussion about in both faithful and non-faithful circles.

Also it's the only time I've seen nonaffiliated news articles about a statement the church has made about a topic other than lgbtq rights or abortion - notably much more politicized topics in general. That may be due to my own inattentiveness however.

All that to say that calling it "the main topic" is incorrect in technicality, but not in impact imo.