If all you read out of that article was blaming, then you didn't read it very closely.

The main takeway that I took from that article was the seemingly low effort improvement that could be made to the UI/UX of that action, which could help other people not make the same mistake.

That's not about blaming Github vs. themselves, it's a reasonable critique of an existing system and looking for ways to make it better for everyone.

Unless you think there is no room for improvement in that system at all.