The more expressive (and often more complex because of that) programming language is, the more tricks can be used to optimize code on low level. It takes years of practice and expertise to understand language so well. Let's think about the cost. Worst is maintenance, as more expensive crew needs to be hired to maitain such expert level code.
What to do about it? Let's define expertise levels and put them in syntax.
It allows business to plan costs of maitaining code.
With experience anyone can learn any language expertly and earn privilege to maitain more challenging code, and better salary for this ordeal.