Pick 4 would be a good revenue source for Texas. Perhaps they think they have enough games going on as it is. Might entail too much work and concentration to make more money. Who knows????
If the Lottery Commission is like the Texas Department of Transportation, that would explain a lot. Someone has to get killed at a major intersection before they put up a stop light. TexDot is also famous for planting trees and grass and forgetting to water them.
The Texas Lottery has to lose and arm and a leg before reworking a game that is unpopular with the public. There is an old saying: "Pigs feed and Hogs get slaughtered." That may explain what is going on down here in Texas.
Maybe Governor Kinky can fix it!