> I’m afraid if you were to defund some of those, like the DEA and ATF, they would just come after small time, lowest fruit criminals.

That's precisely what would happen. Look at what's become of the IRS. It's been systematically defunded, despite the fact that the government sees a huge return on investment when they spend dollars there. The IRS has stated publicly that they only go after middle and lower-class citizen offenders because they can't afford to investigate and prosecute the big corporations and oligarchs which are where the vast majority of tax fraud takes place (note: not avoidance, fraud). This is pretty clearly by design.