lewis hamilton , 30 , sealed victory in shanghai at chinese grand prix yesterday , his second win in three races .
he celebrated with ` trademark ' move of spraying champagne in the face of the hostess - much to her surprise .
but object , which campaigns against sexism , said he should apologise for his ` selfish and inconsiderate ' actions .
others called the driving ace ` an embarrassment to the uk ' , while another said it showed he was an ` ignorant clown '