Best to have an opinion about something you can actually effect and control.
For example —
What can you control?
- Good to have opinions on art. Because you’re an artist and can make art.
- Good to have opinion on ethics, because you can control your own code of ethics.
- Good to have opinion about lifestyle, because you can control your own lifestyle.
What can’t you control?
- World events, pandemics, diseases, war, etc.