6x08 Let's Kill Hitler

Hello! It is no1drwhofan, here.
As I am sure you are aware. 'Doctor Who' has been running for almost 49 years. Furthermore, I think we can all agree that it is a very quintessential part of any Whovian's life, anywhere and everywhere.
However, there have been arising speculations over the last two years, resulting in my apprehension about the show's future increase with every passing hour.
Moreover, the below sources should hopefully engage your understanding of my worries about the show:

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Assuming you have read/skimmed through the above articles, I hope my concern for the show's ratings...