It wasn't a death march, it was hail mary to see if Yahoo could be saved. The majority of her compensation was tied to stock price.
The snark doesn't bother me, but people want to hang the failure of Yahoo on Mayer. She did not take a vibrant, innovative, and successful company and drive it into the ground.
The stake in alibaba helped Mayer give her a windfall of cash she wouldn't have had otherwise. Her incentives were tied to stock price NOT performance. Start bashing the board for tying her compensation to the wrong metric.