Earlier quoted context omitted.
very broad strokes: money is raised to be spent. each round gets you to the next, or you reach some measure of sustainability before the money runs out — layoffs like this should be expected, regardless of the amount raised, if there’s a shift in conditions that indicate raising again in 18 months isn’t going to be easy. You can burn any amount of money if you want to.
Neither the VCs nor the founders care about “sustainability” or profitability. They care about exiting and not being left holding the bag.
I guess we could interpret that as the cofounder cares about sustainability for as long as it takes to hand off the bag.