system
A chat on subreddit /r/NoStupidQuestions
human
Ideas of equality and changing the status quo are more appealing to young people because they have very little investment in the way things currently work. So they are politically speaking, less selfish.
gpt
Almost 60, good job, consider myself wealthy, a lot to protect but still heavily leaning to the left. Because it is just the decent, humanist and right thing to do. For my children and all future generations. 
It is not because I had good fortune in my life so far that this was or is evident, as I had a good start: my father could support his family, I had good and free education, illness does not affect my career (I’m living in an EU country)…
Everyone on this planet deserves the same baseline to start from. I can understand your argument about preservation, but often this seems to me as being an excuse to hide fear to change, to justify  nationalism and flat out racism, and validate greed.