[Neanderthal]

"The various rail brotherhoods represent train employees. The Teamsters aren’t players in this game."

The Teamsters drove the trucks that competed with the railroads. He means the teamsters wanted to shut down the competition from the railroads.

[Publius]

It wasn't the Teamsters who were out to kill the freight railroads. It was Wall Street.

Even today, Wall Street gets nervous when the Class I railroads put a lot of money into expanding infrastructure. BNSF is the only railroad that doesn't have to pass muster with Wall Street because Warren Buffett owns it totally.