A mere continuation of the growing globalization of beer producers.
In Bev of Belgium bought Budweiser, Coors and Molson merged. It's very hard to find an independent brewing company that brews for the masses. Most of the growth in the US comes from the craft beer market.
Our beer market is starting to look a lot like Belgium. Two or three very large players and then about 70 other brewers out there of varying sizes and quality of product. Russia has tried to get into the game over the years and this AFAIK is their first successful attempt