Just about every old men who doesn’t give blood has more iron stores than he needs.
That depends completely on how you define the needs of elderly men. As men and women get older their ability to absorb nutrients, vitamins and minerals including iron decreases greatly. This is one of the primary causes of medical problems for elderly people.
This study is brought to us via a publication which calls itself “Nature Communications”. If that does not have the sound of a leftist advocacy group. I don't know what does. Iron deficiency anaemia is extremely common in older age, particularly after the age of 80.