The way VCs filter out potential investments seems fairly similar to the way Ivy League schools filter out potential students. (Probably because they are comprised of the same people.) It is not really about technical brilliance, or innovation, or anything that is written on their website as a core value. It's more about whether you're smart enough and can follow instructions and fit into the overarching institutiona…
A VC has to live of management fees for the fund, which are a tiny fraction, typically half a percent, and that needs to cover both the initial investment process and all management of the portfolio, and it's not a lot.
You can't afford to spend a lot of time scrutinizing every pitch deck, because you'll be inundated by them, so you look for quick filters. Many of which will be bad, because they're wild guesses. Yes, that means they'll miss amazing opportunities. But they're gambling what will be left will at least not be worse.
Upside is, VC's wildly disagree on which things make decent quick filters, so what will get you binned one place will often interest another, or at least not annoy them.