Yes, you are correct since September 1st, Google Chrome stopped supporting NPAPI plug-ins. For more information see the following thread in the Certified Pega Marketing Consultants Community: https://mesh.pega.com/message/170826
In short, Visual Business Director works in browsers like Internet Explorer, Firefox, Safari etc.
Visual Business Director exists for ages (>8 years) and you are correct the world moves on and so do we. The new, none java applet based version of Visual Business Director is already developed and is scheduled to be released as part of the ML10 release.