Golan heights is not only occupied but it is colonized . While temporary occupation can be legal settler colonialism is never legal. You are using the same stupid argument as all other imperialist countries like Russia claimed that Ukraine joining nato would mean a base in it to attack Russia .

The 6 days war was not a defensive based on Israelis and Americans officials

The Egyptian Army concentrations in the Sinai approaches do not prove that Nasser was really about to attack us. We must be honest with ourselves. We decided to attack him.” - Menachem Begin

They attacked on a Monday, knowing that on Wednesday the** Egyptian vice-president** would arrive in Washington** to talk about re-opening the Strait of Tiran**. We might not have succeeded in getting Egypt to reopen the strait, but it was a real possibility. - Dean Rusk, the usa Secretary of State of that time

We would send a tractor to plow some area where it wasn’t possible to do anything, in the demilitarized area, and knew in advance that the Syrians would start to shoot. If they didn’t shoot, we would tell the tractor to advance farther, until in the end the Syrians would get annoyed and shoot. And then we would use artillery and later the air force also, and that’s how it was. - Israeli general Moshe Dayan