Your servers aren't constantly moving from town to town, state to state, or country to country, are they? If they were, you have to constantly go in and monkey with the time setting on them as well. In fact, if you're running Windows, even your servers were wrong 2 weeks ago in certain parts of the world. I was in Brazil 2 weeks ago, and Microsoft didn't realize that Brazil went off daylight savings time permanently last February, so Microsoft Office/Windows was off by an hour (with reference to the US) for the first week. All my US-scheduled meetings were showing as an hour later than they actually were.

The Lexus timekeeping is a manual switch, it was never intended to be automatic due to the constant change of location, and the political nature of daylight savings time in general. Instead, they provided you with a simple switch. Turn it on if you are located in an area that is on DST, and turn it off if the area is not on DST. They deemed that a simpler way than having to go in and change the actual hour of the clock. In older models, when you went back in the fall, you used to have to go 23 hours forward to get to the correct hour. The switch is easier.