"Lebanon doesn't have much of an air force."

-Nor air defences.

Between 2007 & 2022 apparently "22,000 Israeli military aircraft and drones...violated Lebanese airspace."

A number of these violations utilised Lebanese airspace to launch misses at Syria...many others were just to intimidate Lebanon.

https://www.middleeasteye.net/news/lebanon-israel-air-incursions-massive-scale-detailed