10,000 hours to be an expert
In the current impeachment trial, some personalities were presented as experts. "forensic expert" It turns out that the said witness only spent two months in the field
As per Malcolm Gladwell in his book "Outliers" you can only be considered an expert when you have been exposed and spent 10,000 in the said field (or roughtly 10 years.
We should be more careful in using the term