Disclaimer: I work in the safety-critical/industrial sector of software. Literally none of your statements are applicable to that realm, sorry. Rail operators

Disclaimer: I work in the safety-critical/industrial sector of software. Literally none of your statements are applicable to that realm, sorry. Rail operators have long since been operating their air-gapped infrastructure with 99.999% safety results, literally not adhering to any of the policies you claim are endemic to the industry.