As it is too complicated to force customers to the cloud with relevant arguments, Microsoft forces them to leave the On-premise through prices. Since October 1, 2018, this 10% increase is applied to most Server 2019 offerings, including by SharePoint, Skype for Business, and Exchange.
CEO-Vision still push its On-premise offer, the only model allowing to keep control of the organization Information System, offering all SaaS services even for On-premise hosting: supervision, application management including updates, and support. GoFAST is an alternative to SharePoint / Office365 where On-premise does not explode its IT budget, even in the case of a global deployment.
For more information, read the article "Autumn Licensing Forecast: Price increase for Microsoft products".