This right here. Without going into explicit detail, I was part of a case against the federal government thrown out because there wasn't standing yet (even though the negative impact, or harm, was imminent, it hadn't happened yet). After the government took final action and there was clear harm with no further recourse, it was thrown out again for Cheveron deference (the court has to defer to the federal agency that wronged you because they're the "experts," and of course the agency you're suing is going to say they're right).

It's next to impossible to sue the government, because you need to carefully stand up dominos to make the perfect case, and then have pockets deep enough to roll the dice on taking the case all the way.