Ok. What laws do we need to pass and enforce to allow us to collect and share that evidence? Would any such legislation pass?
But this all makes for poor ad copy, of course. "Bold, Crafty Innovator Thwarted, 'Cause Unions!" -- that's what gets people to click on your article. And share it in venues such as this one.
Sometimes Goliath stomps David, and we all lose.
Just that it's kind of weird (in my view) that so many people seem to be happy to conclude that we somehow "know" that it was union arm-twisting which (at least temporarily) sealed his fate. Despite the complete lack of primary (or even secondary) evidence for such a connection.