Husband upset I won't incorporate his southern culture into our family life

A couple from the US northeast with a child is facing cultural differences as the husband from the deep south of the US wants his wife to incorporate his southern culture into their family life. During a distanced picnic with friends, the husband was criticized by his father-in-law and friend for doing his share of parenting while his wife served the food. The husband believes that women should do household chores while men do fun parenting and outdoor chores, which is a huge part of southern culture. The wife disagrees and believes southern culture is garbage, citing bigotry towards marginalized groups. The husband is upset with his wife for not compromising and incorporating aspects of his culture into their family life. This disagreement has caused resentment, and the couple is struggling to find a solution. Read on for comments and reactions to this cultural clash.