It seems that there is a trend now with Celebrity diets to encourage people to go Vegan. The reasoning for cutting out dairy is that it turns a baby calf into a several thousand pound cow.. and it will do this to you. It turns out humans have been drinking milk for 7500 years... I don't buy the fact that consuming dairy will turn you fat. There are so many low fat and non fat options these days including fat free cottage cheese.. which is a great source of protein. Probably cutting out or cutting down on butter and cream would be beneficial. I tried going vegan for a week and found that I missed the protein in cottage cheese incredibly.. plus lets face it there are a ton of fattening vegan foods... when I cut out all dairy I am more inclined to eat those..and I wake up hungry in the middle of the night.
The trend I prefer is the "Near" or "Almost" trend. Becoming an almost Vegetarian is more my speed... This allows you to eat a little meat maybe once or twice a week even.. and for me being able to consume some cottage cheese is really helpful.
Try the "Almost" trend.. It is a lot more flexible.. and will encourage you to cut out the things that are bad for you... and keep the ones that are good.