That's actually standard modus operandi in a silicon valley start-up. Saves hiring tester or QA and gets you to market much more rapidly. You just have to nimble when the clients start calling and yelling at you.
Well yes and no, for a small business yes the answer was to get some new upgrade say the next version of Windows or perhaps upgrade Word, Excel, Access etc. However for big business with large computer solutions, say car factories, Banks, Building societies any system dealing with lots of processes or money it was a big deal as the systems would not have functioned in any meaningful way once you start to input things with a date = or above 00. Thus the systems needed to be updated to a 4 figure year. Yes there was a lot of hype about planes falling out if the sky etc and it was indeed over hyped in that respect. But and the big but things did not go badly wrong on the 1/1/2000 because it was fixed and the costs with big systems were massive reflecting the reliance and process dependent on Computers.
I don't think we'll see it. You could make a pretty good guess that no-one will see it, the way we treat our planet.
