This is generating a lot of debate as to whether the data is real or was somehow manipulated to put Budweiser at the top. At the very least, it demonstrates the need to have top and bottom selling data from your POS system. Having local market data is helpful as well. I worked in a liquor store that had 8 locations and it was interesting how different the product mix was between the various locations when it came to top and bottom selling products.
They use the Cloud Retailer liquor store point of sale software in all of their stores to glean important data.
Here is that report: https://topagency.com/report/beer-report/