I agree to. I use this method on my visor always
I'm a great advocate for MuckOff (buy it in the winter when they for 2 for 1 on 5litres at M&P). Generally just a hose down with cold water, then spray and leave it to soak without drying, the bugs fall away. It's expensive, but it does save the scrubbing, which I hate, and it usually leaves tiny scratches in paintwork.
I've seen guys use baby wipes to. (on the screen & visor, not sure if they use them anywhere else!)
Wrapping your sponge in a pair of the missis's fishnets is good for shifting bugs, and tar spots, but make sure you've got permission !!! (and make sure she's not in them at the time, that would be bad form