Yup, that's what makes her interesting. All of what you say is clearly on purpose. Poe is the sympathetic character, he hates her guts and the audience is supposed to too.
She was not there to be hated. She’s there to subvert expectations. ie purple haired, pansexual, SJW’s wearing evening gowns make great military leaders too.
yes those are all good representations of strong female leaders. But it’s 2018 now & SJWs demand more representation than white women. "go asians" - jj abrams
She was absolutely not portrayed purely as a sympathetic character. Poe fails for not respecting the line of command, she fails for ignoring the heart of her followers.