Mobile devices are extremely popular and are continuing to grow in popularity. This in turn is leading more and more people to having to use these devices to get their work done on the Internet. If a website is not mobile friendly, it tends to make it impossible for people to view the website or even navigate around the website. So the update that is requiring websites to be mobile friendly to rank high, is to help enhance the viewers pleasure.
Keeping up with the latest trends is something else which Google is doing with this latest update. While Google has lagged behind the trends at some points in time, this is not always the case. With this latest update, Google is keeping up with the trend of mobile popularity, which in turn is making it easier for people to have a pleasurable time on website. However, this is also forcing webmasters to get their websites to be mobile friendly. A good platform to manage these things like https://www.salesforce.com/products/platform/best-practices/application-development-framework/ is also very helpful
Google has rolled out multiple updates lately. Some of these updates have been driving webmasters up a wall, but others have been meant to help the webmasters. The latest update is to make websites mobile friendly. While it is a pain for webmasters to do this, they need to realize it helps their visitors get around on their website and lowers frustration levels of visitors. This in turn means people get to enjoy the website more, which means more income for Google.