What that commenter meant is that it clearly opens the door for further consolidation of the gaming industry. I can clearly see for example Microsoft buying Sega and Square Enix as we saw that filing (1) or Sony buying Konami or Nintendo buying studios. They're surely going to be coming and it's going to be bad for consumers in the long run limiting choices.

(1) https://www.theverge.com/2023/6/28/23777003/microsoft-square...