I've just been reading about his Twitter comment (why do so many people use Twitter when so many end up in hot water for things they say on there?) and, although I'm not a fan of his, he has a right to his opinion.
His views should not affect how his mother receives votes on Strictly - to vote her off for something her son said is, imo, pathetic. She should be judged on her ability to learn to dance and nothing else.
I don't think the English have ever forgiven Andy for stating that whichever team is playing England, he wears the shirt of the other team and now he's gone and annoyed the Scots! Maybe he needs to think a bit more before speaking ...