Yes, that's all too true. If the change to LC as the officially recommended diet happens too quickly, it affects far more than merely the careers and income of those who have spent decades pushing low fat/high carb propaganda, and factory farm operations.

It would negatively affect many, many people very far down the line, from the millions of baked goods/cereal/snack foods factory line workers who will no longer be needed to produce those goods, to the person making barely more than minimum wage stocking shelves at the local grocery store (because the fact of the matter is that if everyone switched to LC tomorrow, customers would not need nearly as much food, so not nearly as much would be sold, and therefore not nearly as many shelves to stock, and not nearly as many workers needed), to the construction workers who would no longer be needed to build or remodel ever larger grocery stores to accommodate the ever increasing number of grain based products on the shelves, to the small family farming operation which is already being squeezed to the limit by the yearly expenses involved in farming, on top of their investment in the extremely expensive, specialized equipment needed to plant and harvest grains) - switching to all the completely different equipment and supplies needed for livestock based production would be an an insurmountable drain on their finances, and result in many more farmers going bankrupt. Bananas, which are the most popular fruit sold in this country would drop off to almost nothing - which would negatively affect the banana production workers in other countries.

In addition to that, if there was a sudden massive increase in the amount of LC friendly foods required to feed a nearly overnight massive surge in LCers, supply and demand would increase the price of LC friendly foods to completely un-affordable levels for most people.

It's certainly not good for those who will continue to eat LF/HC through all the years/decades of little increments that it takes to implement a complete change towards LC, but the longer it takes, the more it will minimize the financial effects and food shortages for the general population. I just need to remember that any cut in the consumption of carbs is a good thing, even if it's only cutting out excess sugars for the time being.