Aye no arguments, to be fair they get critisised rightfully.
Absolutely nobody is suggesting the second part but that still doesn't mean he isn't a mag at heart. You've just gone and blown something out of epic proportion to fit your narrative.
There's plenty players/managers who have worn their rivals shirt with pride - it's called being a professional ie. Leadbitter at Boro, or Mowbray for us. There's also others like Chopra which less said.
Someone 'made in Sunderland' is someone who was born in Sunderland and has succeeded in life or someone who has moved into the area and has made a career in Sunderland and is a now more a Sunderland lad/lass than anyone born in the city. The likes of O'Nien and Gary Bennett fitting that. Rigg ain't either of those, he might be in 10 years time - he might also be the next Colback. Who knows.