[falcolas]

> All those problems have been solved by good mechanical engineering.

And yet we're still limited to scraping blades made from rubber over tempered glass with the help of a bit of liquid cleaner...

Given how bug guts require a good bit of manual scrubbing to clear off a windshield and the cumulative impact of rock impacts, I'm not convinced they'll stay clear for any meaningful amount of time - at least not on a commuter vehicle timescale.

Heated glass will help, but it's not a guaranteed thing; ask anyone with a rear window defroster how long it takes to clear ice and snow off.