Were they the developers of the ssh package? Microsoft is the developer of the vulnerable bitlocker package and the ones who chose to ship it.
I am employed, most employers are obviously not as corrupt as the biggest corporations on the planet, they simply can't afford to.
I agree we can't know. We can know for FOSS software. You are treating uknownable as being less than the known bugs in Foss software. That's dishonest, lad.