Some of the more important lessons of the Gulf War were about things a modern very technologically sophisticated military is still pretty bad at and one of those things was hunting down and taking out road mobile missiles.
Intel on Iraq was excellent from aerial recon and satellites about the best you could hope for, the coalition had total air superiority within a couple days, yet Saddam's forces were still firing off Scuds at Israel and Saudi Arabia till nearly the end despite constant efforts to hunt them all down and take them out.