At the risk of upsetting those that pay my bread & butter, yes, for the most part. And then there are tons of buts.
The first one: but they're usually good at judging people.
The second: some of them do hire tech people to help improve the odds (because that's all this is, playing the odds, improve them enough and you can do very well at this).
The third: they're past masters at the other end of it, protecting the exit. This is important because without an exit there is no return worth measuring (dividends don't really count as a rule, but an IPO would be nice if the company survives the lock-up period or if the VCs get to float their shares or a large chunk of them).
Obligatory lame VC joke: Q: Why does a venture capitalist walk into the negotiation room backwards? A: So they keep sight of the exit.
The fourth: there are at least as many irrational founders as there are irrational VCs, if not many many more.
Finally: Trust is everything. Break the trust at any point and you can kiss any investment goodbye. Have broken tech, a broken business model, a good attitude and team willing to put in the time and the effort to fix the tech and the model (or even an outright pivot) and I wouldn't rule out that you get funded.
Fun fact: the one thing that keeps on being repeated back to me whenever we (one of my clients and me) go to do tech dd on any one of the companies they've signed a terms sheet with is that no matter how many other investors have already been in that position and no matter how many times that company has already seen due diligence teams it will be the very first time that they actually get to really show their tech, both the good and the bad. This never ceases to amaze me, the amount of sloppy homework on the part of VCs and the usual suspects of companies that do dd (usually the big legal and accounting firms get hired and they then farm out the bits to various parties) is scary and this costs quite a few of them many millions of dollars annually. Even so, it's good advertising for me so I really shouldn't complain.