I could offer a handful of reasons, but the top one would be that they don't want to maintain it. Probably, the developers had Rifts, they wanted to play around with the tech, and they were gambling a bit on the development of the Rift during the development of the game engine (the right time to get involved, if you want to be first-to-market, so a smart move).
However, very few people own Rifts, and so if they left this in, Rift users finding bugs and incompletely-tested code would need to be supported (otherwise, PR nightmare).
When people use the "hack," they have the company has the option of saying, "That's not officially supported, you had to change things in order to do it." So, when there are bugs and things that don't work very well, the company has its hands clean, the enthusiasts still get to fool around with their early-adopter toy, and the company looks better in the long run.
NASA built three Orbiter Processing Facilities, or OPFs, to service its space shuttle fleet between missions. All three are located next to the iconic Vehicle Assembly Building at the Florida spaceport where Apollo Saturn 5 moon rockets and space shuttles were “stacked” for launch. Under an agreement with NASA, Boeing will modify OPF bays 1 and 2 for the X-37B program, completing upgrades by the end of the year.
The company already has an agreement with NASA to use OPF-3 and the shuttle engine shop in the VAB to assemble its CST-100 commercial crew craft being built to ferry astronauts to and from the International Space Station. The company says up to six capsules can be processed in the facility at the same time.
The most important take-away from this news is that it strongly suggests the Air Force now intends to expand the X-37B program. They will not only be flying both X37B’s again, they might even planning to increase the fleet’s size from two ships.
That's not to mention the somewhat unfavorable funding climate at the moment. We're coming off of years of departments being hit with hiring freezes.
This means that there is a big glut of really talented researchers who have been in postdoctoral positions for years. If you can't compete with one of these candidates, you don't have a shot until you can.
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The next 2 have the "politics" tag.
The fourth is about a home CNC mill that can finish (or entirely mill out, who cares?) the lower receiver for an AR-15.
Worth noting is that the last isn't exactly high-tech, because you could have done this with a standard desktop milling machine years ago. (In fact, I'd call this particular mill an extremely poor purchase decision, because you can only make one part on it, and that part costs less to simply purchase). The last one is simply a political move showing that modern technology can make it so easy to produce a "ghost gun" that it's pointless to pass laws banning them.
Where there's a will, there's a relative.