And as I said, this is an option.
As someone who helps the elderly with their computers, I can only tell you that changing the UI ought to be done only if you have a very, very good reason, and it should be gradual.
This is your opinion. Weirdly, all the other programs are doing it differently. So maybe, your opinion is the minority, not the majority.
Edit: I should expand. I was not too worried after reading the article, things would improve I was certain of. But this reply, upon given a straight-up question on specific usability and accessibility concerns fails fully to give a proper answer.