I can claim that my business partners are space aliens who read my thoughts and are plotting to colonize the planet all day long, but as long as there's no shred of evidence of this, the fact that nobody appreciates the lengths I go to wear tinfoil hats and research anti-alien combat techniques is meaningless.
Second, it "didn't work" likely because many extroverted bubbly manager types tend to perceive purely factual means of communication to be hostile. In fact, most human beings do this. This is the primary reason nerds with low or no psychological affect have a difficult time making friends, and are labeled "assholes" despite their lack of intention to actually be mean.
Also, this wouldn't be a story if she didn't feel that other teams didn't work that way. This implies a difference in culture, and I have had this difference pointed out to me by many women in the tech industry.