If you cherry-pick scientific truths to serve cultural, economic, religious or political objectives, you undermine the foundations of an informed democracy.
Objective truths exist outside of your perception of reality, such as the value of pi; E = mc²; Earth’s rate of rotation; and that carbon dioxide and methane are greenhouse gases. These statements can be verified by anybody, at any time, and at any place. And they are true, whether or not you believe in them.
Meanwhile, personal truths are what you may hold dear, but have no real way of convincing others who disagree, except by heated argument, coercion or by force. These are the foundations of most people’s opinions.