No - they mean a lot and the people who could use them to prevent horrendous situations don't --- because ___________
There is no good because. If you're doing something to get on the FBI watchlist, it's because that something your doing now - is warranting you being on that list.
Someone really needs to do a mathematical evaluation of how many times their watchlist becomes violent situations -- then make a decision based on that mathematical data for how to proceed forward to protect people.