Yes, it does. Does this invalidate Robert's comments? If anything, I'd say it strengthens them. "Employee of company A praises company B (from which company A

Yes, it does. Does this invalidate Robert's comments? If anything, I'd say it strengthens them. "Employee of company A praises company B (from which company A gets most of their revenue)" is not a noteworthy story. But change "praises" to "criticizes" and it's entirely different.