As mentioned in the article this is a important step in the journey of offering a greatly simplified migration experience. This is NOT the end state but it was significant enough that we felt it was worth releasing.
The main benefits are for customers that do not require secure mail or free busy, those customer now get no confusing questions to configure hybrid. This process also removes the need for creating the TXT records for Federation and greatly minimizes the surface area for failure. In addition, the wizard will complete without third party certificate when minimal hybrid is selected. Technically if you intend on moving mailboxes the certificate will be required, but for some that may be coming from lotus, they may just want Exchange setup for recipient management purposes.