Ignorance is bliss within reason. Sometimes knowing too much can be paralyzing. At the same time knowing too little can mean making an uniformed decision that can get you into trouble. There needs to be a balance.
I guess some people can have all the knowledge and decipher what is really worth worrying about and what isn’t and just handle all the information well.
Take politics. I think a lot of people I know would do much better turning off the TV and the social media and ignoring politics for a couple of years until the next election.
In business and careers people who are persistent and ignore some of the risks or even unaware of the risks and push forward are usually successful. At the same time you need to have some knowledge about what you are doing and risking to not spin your wheels at something impossible.