For goodness' sake, Vulcan, it's not so very long ago that there were modes of speech called 'received' pronunciation and 'Oxford' English. Unless you spoke these, you hadn't a snowball's chance in hell of working a microphone at the BBC.
Now listen to that broadcaster's announcers...Scottish, Geordie, Welsh...even Brummie! Does that represent a "lowering of standards"? Of course it doesn't! What it represents is an acknowledgement of the vast breadth of linguistic variety in the UK. And a good thing, too.
I've never actually heard any of them say aks, but I can see no earthly reason why they shouldn't, if that is a natural element of their speech.
Yes, evolution is change, and you have about as much chance of altering the course of language change as you have of stopping species change. If you would like to achieve something in this field, concentrate on true barbarisms such as could of for could've in writing just because they sound alike.
My name, by the way, is Quizmon ster. I mention it only because there is and AnswerBanker called Quizma ster.