Every time I've dug into the history of the NRA I've found them doing nothing but selling us out at the last minute or blatantly doing so in the open in the past 50 years or so. That's about as long as Biden has been a Senator and gotten nothing done too.
I've never met a single person who got into guns because of the NRA or any of the things they offer. Usually as of late it's been video games, movies, or just already having that interest. Some people from this past year woke up and realized that they could only rely on themselves to protect themselves, the NRA did not shape that thought in the slightest.
I could care less who the left decides to be their whipping boy for their problems, I do care when their whipping boy succumbs to the beatings and admits defeat but has the nerve to stand before all of us and say "We're your best hope". Yes, no group is perfect but when you compare the GOA for example to the NRA, while the NRA has massively larger lobbying capabilities, they give up legal fights left and right or refuse to take them. The NRA said California was a lost cause early on and never tried to intervene or stop it. The GOA stepped in for court battles when they wouldn't and they've had success.
So yes, the whole truth is that in 50 years or more the NRA has done nothing good for gun rights in this nation or individual states. We can't base a group on how good they are to us on past success alone, they have to continue it. They have failed. WalMart of today was not the WalMart of yesteryear and when people decide not to shop at WalMart because of their political views and the fact just about everything in there is made in China junk we don't sit there to tell them how Sam Walton ran the company differently and we should support his legacy.
It doesn't take much research to realize how the NRA is not an organization worth joining. Other groups, it can take some as many are much smaller so finding their successes can be harder. You always hear about the NRA because they have the money to advertise themselves everywhere. Getting rid of LaPierre wouldn't be enough when the rest of the heads feel the same way he does.