This is very true. She cared a lot. The higher ups though really really do restrict what CMs can say and do.
Brandy was the only one left in Community (that I know of) on Diablo after the last round of layoffs. She was juggling everything herself for all Diablo regarding community, publishing, engagement campaigns, etc.
She left on her own to go to one of her other dream companies. She now works for Wizard of the Coast in Community on Dungeons & Dragons.
Here is her public goodbye letter to the Diablo community in March 2020.