What do think the photo is showing exactly?
Our entire village, all the rice and sugar cane are cut by hand.
Maybe not in downtown Udon Thai?
Have you ever traveled in rural Isaan to towns that are 40 to 50 km from the nearest 7/11?
Apparently not or you would see this everyday.
Think anyone can afford a tractor or automated farm machinery making 200 baht a day?
You appear to only know the part of Thailand you live in
I know the part I lived in.
The point being, they eat what ever they can find.
My BIL has gone out several times and cannot even find 1 rat to eat.
There are also no birds, which I thought was odd, until my wife told me they ate them all.
I can tell you for a fact, you will NOT find one fat, overweight Thai in our village anywhere!
Just happens to be where my wife is from.
I actually love the place, large extended family in same village, but then again, I don't have to scrounge for rats to eat.
Perhaps you should get out civilized Thailand and take a trip to the uncivilized parts of Isaan?
You might find out, there is an opposite truthful answer for everything you heard or think you know?
Life doesn't work the same for the rural, uneducated poor.
Just surviving becomes a true challenge.