As the question was what "do" Anglo-Saxons think of King Arthur, I would say that there are no living Anglo-Saxons. read more
It is a nonsense, but Anglo-Saxon seems to be a handy label for the (partial) descendants of the Anglo-Saxons. As for what the English think of Arthur, the vast majority think of him as an heroic king of legend - which of course has very little to do with the reality. read more
There is no firm near contemporary historical evidence of anyone called King Arthur, and The earliest is from for a Welsh reference (Nennius) from the 9th century (ie 300 or so years after the supposed era) and even this is just a fleeting reference, that another person under discussion “was not Arthur”. read more
In researching this material I found definitively that Arthur was Welsh, Celtic, or Breton. That he fought the Saxons in the north, in the south, or in Wales, around the year 450, or 500, or 525. That he was and wasn't a king, who was or wasn't named Arthur. That he was a figure of imagination and a real person. The real Arthur (maybe) It seems that there was a war leader, whose name we do not know, who defeated the Saxons, checking their advance temporarily. read more