Earlier quoted context omitted.
> The biggest programming language in actual use is Excel Which has cost companies and investors billions and is the most accident prone. http://www.zdnet.com/article/excel-errors-microsofts-spreads... No Version control no way to audit your code. These also come with visual programs.
> Which has cost companies and investors billions and is the most accident prone. Since it handles untold trillions (almost every company processes their financial data through Excel at multiple points) the "billions" it might have cost is a drop in the bucket. There's a reason why it's used nonetheless. > No Version control no way to audit your code. These also come with visual programs. There's nothing about visual…
Well, this is one of those "in theory" things. In practice diffing and merging visual programs never works well, if at all. Usually nobody has developed the tools for a particular binary format.
Visual programming also has a lot of non-functional information like the exact placement of items. Textual code has indentation and such too, but not as much. To keep visual code clean you need to move it around often, but how to you merge that with other changes?