Having worked in a "growing engagement" role at a big company, I'd say it's more accurate to describe it as "running no-op experiments over and over until the A

Having worked in a "growing engagement" role at a big company, I'd say it's more accurate to describe it as "running no-op experiments over and over until the A/B testing tool tells you one had a 'statistically significant' result". It seemed to me like the exact kind of make-work Musk fans criticize. Axing all of those roles could make it easier to ship valuable user-visible features, since the remaining engineers wouldn't have to work around feature flags for fifty ongoing experiments.