What are some simple ways to help others while shopping that can make a big difference for someone in need?

What motivates people to decline reimbursement for their generous acts, like the couple in the story, and how can we learn from their attitude?
Should we stop training AI models on older versions of programming languages to prevent them from generating outdated code?
Can the glamour of modern technology ever truly eclipse the fundamental science that birthed it?
What should I know about filing a judgment against a tenant, and how does it affect their future property purchases?