You’re generally right but he was smart enough to realize that we had to get out of the Lebannon quagmire (much to the anger of neocon types in the 1980s).
Does anyone remember SDI? Pershing missiles in Europe? Strong continuous support for NATO as a bulwark against the Soviets? Limited indirect and clandestine support of anti-communist guerrila groups?
There're lots of ways to stay engaged in the world without bombing it or overrunning it with troops.
Evidently McLame is starting to have memory lapses.
Our invasion of the nation of Grenada took place only hours after the Beirut bombing, Reagan had his hands full with a military invasion before that bomb even went off, Reagan was too busy globally to stay in Lebanon when there were too many gains to be made elsewhere.