Earlier quoted context omitted.
My guess would be that it would be because the member is trying to cut an individual deal on a group problem. This is how the capitalist class practices divide and conquer.
As always I'm divided on comments like this. The first half is entirely accurate - it's trying to keep individuals from cutting their own deal and undermining the value of the collective bargaining process. I just don't know if we should start using a framework of class conflict to go along with it. I feel like the point could easily be made without mentioning the "capitalist class", which seems to weaken the argumen…
That's how I read it as I'm not sure capitalist class makes a whole lot of sense to me in the context, and I'm sure the commies used exactly the same tactics anyway.