Having strong opinion usually mean that you don't know much about the subject. https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect https://en.wikipedia.

Having strong opinion usually mean that you don't know much about the subject. https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect