is to invest in making experimenting and trying out ideas cheaper in order to sooner bring relevant data that can inform our decisions and reduce uncertainty as to what to prioritize and where to invest.
for reviewing their PRs (or any other help they need), your problem is not people not prioritizing other people’s work and lack of “team player spirit”.
by hiring more people, don’t be surprised to see the culture of ineffective parts of the organization eat away the culture of effective parts of the org, which doesn’t have a need to scale at such a rate.
Very often, for a mindset that emerged inside environments with big batches, it takes increasing the holding cost of inventory to start changing the belief system that was created as a workaround for the limitations of the system and served as its governing constraint.