Scams have been there and this is just another reminder for most people that aren't aware of these scams. The reminders not just from FBI but even for normal plebs like us have always been told.
But the sad thing is that, there will always be those people that never take anyone's good advise for them because they think that they can do better and they know everything.
2) Government should take steps to increase awareness related to crypto in general masses. They should hire experts to give detailed talks and recommend measures to general public to remain safe.
There's no need for them to do that, sometimes they're not even sure whether they'll support or not.