The WYSIWIG editor of VWO is very user-friendly (already for many years). It is intuitive. When I explain testing, conversion rate optimization and VWO to non-marketing people they always are amazed with the way the editor looks. For them, it often looks like magic.
I previouly pointed a small drawback which is the parenting part inside the setup of a test. But as I also stated it was quickly solved by the support department.