It was a very complete system at the time and used in many situations for background checks for everything from LEOs to day care centers for cheap. We also had hard requirements around 99% of responses had to come back within 10 minutes.
Anyway, that's changed quite a bit the last few years..
More and more State & Local stopped participating in the system - https://www.washingtonpost.com/crime-law/2021/12/09/fbi-poli... - so huge swathes of data just isn't available anymore. Then more DAs are choosing to prosecute fewer crimes and negotiating down serious crimes that would trigger alerts (usually felonies) to lesser crimes so the data that is there may not be representative of the situation. And finally, the overall crime statistics are being characterized as "racist" so the FBI is getting more cautious about what they release and how.
So.. less data, incomplete/wrong data, and less access to the data.
All of those mean "competitors" have room to operate.