European Commission responds to Sony bias accusations

Cardoso tweeted another statement a few days later amidst the backlash from his earlier post. "To clarify: I am not involved in the assessment of the merger and don't even work in the department dealing with mergers. As is clear from my profile my comments are personal and not a Commission position, whose decision will be taken on the basis of the facts and the law," the senior staff member said.

The European Commission also issued a statement to Tweaktown the senior staff member isn't involved in the decision-making process of the merger.

"Mr. Cardoso works in the Director General for the Internal Market and not in the Directorate General for Competition," the statement reads. "Mr. Cardoso is not involved in the assessment of this transaction. Furthermore, as indicated clearly in his Twitter profile, he tweets in a personal capacity.

The European Commission moved to "phase II" of its investigation into the deal. The commission cites concerns regarding competition not only in consoles but also for other PC makers.

Microsoft's Phil Spencer recently commented on the heavier scrutiny saying that it is "fair" and "warranted.

"I would say the discussions have been very fair and honest. It is a big acquisition, there's no doubt. Microsoft in its role in the tech industry, is a large tech company, and I do think the discussion around an acquisition of this size is warranted, and I've appreciated the time to go spend," Spencer said during a Wall Street Journal Tech Live event.

The U.S. Federal Trade Commission is also set to rule on the merger this month.