Absolutely agreed -- without knowing the specifics of the idea, this is the world's easiest raise. I'll add a few other tailwind factors here:
1. He didn't raise that much money. I know this sounds obscene (isn't $5M a lot of money?!), but to a VC, this is a small bet. In particular: this is a bet small enough that a single VC can just... do it -- they don't need the firm to buy in. (Or that buy-in is perfunctory.)
2. He's not a solo founder -- and his founders have startup experience. This might be a push, but if one of his co-founders was a previous startup founder and that company had a successful exit, that co-founder can raise on literally anything -- especially from the VC for whom they made money.
3. This sector is still hot. We don't know much about what he's making, but "it relies heavily on AI" (and, um, it's the TLD), which -- unlike web3 -- has remained (for the moment, anyway) white-hot.
4. The environment is (paradoxically!) great for this kind of startup. I know this sounds absurd because the environment has gotten worse (and he's certainly right that the valuation would have been higher a few months ago!), but because we are coming off of very frothy times, there is tons of dry powder out there: VC firms have raised massive funds, many of them targeting early stage (Seed/Series A). Those firms have to put that capital to use, and the ones that are queasiest about the macro prospects (for good reason!) want to go as early as they possibly can (i.e., first capital in) because that gives the macro factors the longest possible time to sort themselves out.
5. They have deal heat. In part because they have all of these other tailwinds, they got a additional huge tailwind in that multiple firms are vying for a deal. This is every entrepreneur's fantasy, and it results in the kind of behavior he sees: VCs absolutely tripping over themselves to be helpful. This is absolutely the exception, and highlights just how much all these other factors have lined up.
The title of this piece is what he wishes he had known, but it's not really clear what the true lessons are. That it's easier if you've actually built something? That your pitch deck gets around? Perhaps fixie.ai will just live a charmed life where everything is easy (and hey, more power to them), but if they are like most, the blog entry to read will be the one two to three years from now: "What I wish I had known about how hard a Series A is relative to a Seed."