The problem today is AI makes everything worse. Its jamming communications channels, and what you get once those channels are saturated is the equivalent effect that you see in cellular networks culminating in RNA interference.

No binding sites, no matches.

Additionally, if competent people can't find work within 2 short years, they will leave that sector forever and retrain. They may have been rockstars, but that doesn't matter. No work, no food, bad investment. When you have coordinated layoffs across sectors you have a short period of time to scoop up the competent people.

Its not immediately clear, but it seems like you either skipped over the part of filtering properly (and didn't do it?), or just jumped to this other strategy when what worked before no longer works.

Instead of trying to wrangle the data, why didn't you put a physical barrier at the very beginning. A simple validation, this is your CV, you are this person, and you have a valid DL with that name, and then you whittle down from there.