On reddit there was a post saying there was guys / gals that filled it out and minutes later got the invite email. There are others that applied when BF 6 labs was announced, and never even got an invite. Then there's statistics, there's thousands of hard core BF fans who keep up in news and know stuff even before the BF reddits and subreddits know and watch BF coms on Twitter X like a (delta force) hawk.
Then there are thousands of BF fans, and hundreds of thousands of FPS fans in general starving for a good game. Hundreds of millions of COD fans angry and pissed off @ their franchise, and finally the millions of non BF fans hoping to click in / cash in / ride the popularity wave, such was media outlets, streamers, twitch, etc.
And the best news is in BF labs, so prob EA has more applications than they can count. And given its a EA team that checks stuff ok, ok's and . . . at first I was what no invite but after seeing the numbers behind BF, I guess I can just be happy everyone's working to a good game (hopefully)