Guido had a good retrospective on the shift, while the change was hard and painful, it needed to happen for the language to be easier to work with longer term.
If you're interested it's worth a watch: https://www.youtube.com/watch?v=Oiw23yfqQy8
If you're interested it's worth a watch: https://www.youtube.com/watch?v=Oiw23yfqQy8
He was wrong. It is far harder than he anticipated, and it did not "need" to happen to grow the language.