Best to have an opinion about something you can actually effect and control.

For example —

What can you control?

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1. Good to have opinions on art. Because you’re an artist and can make art.
2. Good to have opinion on ethics, because you can control your own code of ethics.
3. Good to have opinion about lifestyle, because you can control your own lifestyle.

What can’t you control?

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1. Politics
2. Economics
3. World events, pandemics, diseases, war, etc.