We appreciate this problem.

We have 'data' and we have 'garbage'. They look the same on the cover. Some garbage looks very pretty too.

We have 'good people' and we have 'rubbish people'. They look the same on the cover. Some ... ;-)

How many times do we have to 'verify and validate 'facts'?

Can't we separate facts from fictions once, and keep them separated forever?

How can we be sure that fictions won't become facts and vice versa as 'time' goes on?

As the Buddha says 'anicca, dukkha, anatta'. (Holding on to impermanent thing leads to 'dukkha' because things are what they are - not what we want them to be.) ;-0