Bravo to your grandad, such a great achievement!
My grandad's story is worse, but also similar in some ways. His parents were shot by the russians (during the soviet occupation), his 6 siblings and him were exiled to Siberia. He was the oldest. 12 years old. 2 siblings out of 7 survived, including my grandad.
He grew up in Siberia. He was extremely strong man and worked in forestry, gruelling physical job in freezing conditions, not much machinery-wise there. Managed to save up money even there, doing his main job and stuff on the side. Married my grandma there. During the amnesty, they came back to our own country, bought land, started farming. Later started another business. They prospered. Worked like oxen, but prospered. He couldn't read and write himself (grandma could). Their children, including my dad, went to unis. All three children had business brains, became wealthy.
I honestly don't understand the 'welfare states' such as UK. We're not America, but similar in thinking, in a way. The government is not viewed as a lady bountiful, who will come and give, and support you and do stuff for you. It's viewed more as hindrance, an irritation, a necessary evil which you need to circumnavigate and make your own life.
There is no 'benefit money'. No one owes you anything. An adult person is responsible for themselves and their offspring. You work and support yourself. It's that simple. We do have support for extremely physically ill, a few months-worth of payment if you lost your job and paid enough taxes beforehand, and we do have foodbanks here and there. That's it. No government housing, no handouts. You work, you earn, you make your life. Don't want to work - be homeless and live in the streets. The taxpayer is not responsible for you or your children.