How Does Ageism Impact More Than Just Older Adults?

Ageism is a type of discrimination that involves prejudice against people based on their age. Similar to racism and sexism, ageism involves holding negative stereotypes about people of different ages.

what are the stereotypes about the senior citizens ?
"They had their times"
"They should act their age and not try to steal the identities of younger people"
"Limited resources should be spent on the Young"
We must not accept  their representation on FB groups for instance where it is often mentioned that they should be banned from activities such as driving and shopping.  
https://www.verywellmind.com/what-is-ageism-2794817

How to Combat 
The American Psychological Association suggests that ageism is a serious issue that should be treated the same as sex, race, and disability-based discrimination. They suggest that raising public awareness about the issues ageism creates can help. As the population of older adults continues to increase, finding ways to minimize ageism will become increasingly important.

Ageing now eclipses racism, sexism and discrimination based on disability. As our populations are growing older it is important to take that into account. It can lead to pay disparities or difficulty finding employment for the young ones. It is even worse for women. Middle-aged women are invisible on the screen for instance.