- Ex-Boeing senior manager Ed Pierson criticized the company, airlines, and regulators over 737 Max issues.
- He told BI that Alaska Airlines "ignored" his warnings to ground its jets back in April 2023.
- Pierson called on investors to demand new management because execs are "crushing the company."
A Boeing whistleblower slammed the manufacturer, airlines, and regulators for their response to problems with the 737 Max, in a wide-ranging interview with Business Insider.