I think it's worth replying to this to reinforce the point that the new mode has technical disadvantages compared to the old mode. Some of my projects involve a great deal of time spent looking at aerial imagery, sometimes for hours a day, and while Google Maps is not the panacea of aerial images it is one of the best single sources in terms of usability and quality of images.
That said, prior to knowing this trick I was stuck with the effectively unmaintained Google Earth instead of the web view primarily because of the web maps insistence on the 3D rendering mode. The attempt to conform buildings and, most annoyingly, trees to the elevation data makes the imagery almost useless at close zoom levels, as all the actual detail disappears into clutter artificially introduced by the edges on the elevation data. It significantly reduces the amount of spatial resolution you can get out of areas where they have very good images.
Earth still has tools that web view doesn't have, but often I'm not even that interested in measurements and just want to be able to carefully inspect the image. This doesn't seem to be something Google wants to support any more!