The first thing to know about Boeing’s mad scramble to line up “$10 billion or more” in new funding via a loan from a consortium of banks, on top of the $9.5 billion credit-line it obtained in October last year – efforts to somehow get through its cash-flow nightmare caused by the 737 MAX fiasco – is that the company blew, wasted, and incinerated $43.4 billion to buy back its own shares since June 2013, having become a master of financial engineering instead of aircraft engineering.