So instead of engineers making informed decisions on buy-vs-build taking into account uniqueness of requirements, maturity and stability of the ecosystem, and r

So instead of engineers making informed decisions on buy-vs-build taking into account uniqueness of requirements, maturity and stability of the ecosystem, and resourcing constraints, we should say one group doesn't know how to do the latter and should stay in their lane and only take jobs where they are guaranteed not to have to build anything?