Openness is a personality dimension that probably doesn't change much over time I'd guess. But maybe it does ...
I'd like to think that dimension is more malleable, but it does only seem to be that way when the person is ready to "be open"
Yeah, strong to the extent that they're well developed opinions, not just derived from a collage of media sound bytes, but also open enough to separate opinion from ego and pivot if/when you need to