a) sorry to hear the "often repeated..."- a business even one in software is a complex entity in the real world with lots of surfaces and functions. Finance, Sales, Marketing, PR, BD, Enterprise, HR, etc etc all exist for good reasons. Would strongly suggest enhancing mental model to understand those reasons. Will make a person a better eng
b) re the above, if one understands the concept of technical debt, based on the concept of financial debt- Musk is incurring enormous debt in all operational areas right now. Financially beyond what he already put on the balance sheet. Regulators in many countries he operates in are readying fines. Lawsuits are being filed. Poor press relations will make it hard for good news at twitter to emerge and give bad news at any of his other businesses more attention. In terms of corporate relationships, many avenues for revenue, especially enterprise-side, are completely off the table now.
c) in many large businesses I have worked with, they are far more overstaffed with engineers doing the wrong things, and understaffed in areas that would be more meaningful for the business. Very little code is truly part of the asset infrastructure. The vast majority is liability, and engineers writing more of it are just burning good money