The best argument I know against this is that it shifts power toward lobbyists and all those awful "deep state" people (you know, career civil servants) everyone suddenly started being worried about a few years ago, and away from elected officials.
Not sure that's what we want to incentivize.
Cronyism and back door politics within the government are far from the worst outcomes, especially compared to private industry having more power over government officials.
At the very least, criminal immunity and being required to carry large insurance policies for civil damages. Paid for out of pocket and underwritten based on their job performance/complaints.
2A was supposed to be insurance against nonsense like this.
Asset forfeiture has definitely got to go.