I totally agree, but safe languages have to climb a hill at least as high as well, and it might even be the same hill. I just think it's worth mentioning that i

I totally agree, but safe languages have to climb a hill at least as high as well, and it might even be the same hill. I just think it's worth mentioning that if this kind of safety is important to you, then there are alternatives that are cheaper than a rewrite. Getting people to 1. care about the problem and 2. accept that there are tools that can help them -- be they safe languages or sound static analysis -- is, indeed, a hurdle.