Worth dropping a link to this Joel Spolsky article, where he discusses this concept and talks about the fact that the Excel team (in the 1990s) had their own c compiler:
https://www.joelonsoftware.com/2001/10/14/in-defense-of-not-...
https://www.joelonsoftware.com/2001/10/14/in-defense-of-not-...
Brooks argues that "there is no single development, in either technology or management technique, which by itself promises even one order of magnitude [tenfold] improvement within a decade in productivity, in reliability, in simplicity." He also states that "we cannot expect ever to see two-fold gains every two years" in software development, as there is in hardware development (Moore's law)
from wikipedia