That doesn't get the undesired application off the screen.
It's a different model to what you are used to and IMHO more flexible and powerful. If you try and keep operating in a manner learned on a different model you will inevitably be frustrated.
There has been no evidence provided to show how this design is "more flexible and powerful," since all the same options exist on Windows, which ALSO offers other options that require half the steps to achieve app-switching.
I haven’t minimised a window in months. For those special needs, there’s expose.