You are absolutely right, I didn't think about this when I wrote my comment. LOC is in itself a very poor metric, therefore "Changed LOC" doesn't improve any interpretation. Including the number and sizes of repos would be better, since LOC pushes verbose languages. Java and C# code usually features a lot of empty or hollow lines (in C# for example, one opens the curly brace for a function in a new line).

I mean, yeah, most of the comments indicate that we agree that this kind of graph or "false statistic" is flawed.

But can we find any value in it? How do we interpret this graph, despite its basic problems? What good stuff can we do with it?