I remember seeing a comic once about two devs, one complaining that this senior always puts lots of nitpicky comments on her code review, and the other replies that he always makes one obvious mistake, so the senior can point it out and feel like they’ve done their job

Do your thing internet, cos I cannot find it

Its simple greed and disdain for their users that they somehow believe if they begin to charge for something that used to be free the use base will simply eat it and be happy.

Any particular goals with Ada? Had an academic curiosity for a few years but never used it in earnest.

Perhaps the numbers are not plainly available as the previous commenter stated, and they wanted to call out the direct contribution of the 78 unique commit authors, without disregarding many other indirect contributions from commenters, reviewers, testers etc.