I wanted to see who blames whom for 'ruining English language, so I looked in GloBWE because it conveniently divides things into country categories like this:
I looked for the verbs spoil, ruin and destroy (with -s, -ed/t, and -ing endings too) with the word language three words before or seven words after the verb. (I also tried it with English instead of language and all most all the results were about BrE football/AmE soccer, so I gave up on that.) Then I looked at the texts and (a) reassigned the categories if it was obviously a person from another country writing (a couple of the US ones have British writers) and (b) tried to determine who (or if I couldn't find a who, then what) is responsible for the degradation of the language according to these writers. Most of the results were from US and UK--in part because these parts of the corpus are bigger and in part because people in other countries were often worried about other languages (in these cases it may have been English doing the ruining).
So, here's who ruins the English language, according to various people.
|people who say like a lot||people who say like a lot|
|hypothetical Nazi victory||the French|
(Australia is the only other country for which I got more than one result. There it's the commercialism of modern literary publishing and feminists who are to blame, apparently.)
For good measure, here's the first things I get when I google the question "who is ruining the English language?". It was interesting that no one blamed technology/texting in the corpus:
P.S. I'm on Radio 3's The Verb on Friday 6 June talking about British and American dictionaries. Should be on iPlayer for a week after.