The same team trusted Devin to do a beta review of the Gateway 3DS card, with the explicit intent of having it publicly posted on one of the largest websites that serves the modding/hacking/homebrew community. They basically used him for cheap, cheap advertising.
Give a free flash card to a well-known reviewer on a huge website with a ton of traffic, and have him to say that it works, at all. That's what they wanted, so they could sell more flash carts.
It worked. Now that they have gotten what they wanted, they aren't even responding to him.
If they had purchased a banner ad on ANY website, almost all of which would be smaller and have a less active community than this one, they'd be dropping at least a grand.
So, sacrifice one flash card worth less than $60 in component costs, and generate more sales and revenue than any banner ad could? Of course they would do that.
Another point to consider is, people retain what they read in detail. If you only briefly glance at a flashing banner ad, that's product placement and branding, but if you READ a review that is several hundreds or thousands of words long, more than half of it will stick with you, and will have a much stronger impact as a buying influence.
Devin was used, and GBATemp's traffic was used. They got what they wanted, then split.
I'd love to be proven wrong, but, at this rate, my hope is flagging.