The thin line between conspiracy theory and valid questioning

[Bigno]

So, I have noticed and increasingly divisive dialogue between pretty much everyone on social media, reaching a peak with the pandemic. So, I was curious, how do you guys keep a balance?  How do you conceptualize the difference between a valid questioning and a "conspiracy theory"? Have you stumbled upon something too crazy? 

[jordeezy]

I base my opinions on real life experiences and I compare what I have experienced with articles of current events.