The difference between the goa'uld and the real world military intelligence community's pet jihadist insurgencies, the goa'uld pose an actual existential threat. The purpose of the wars in the sandbox were to justify creating a security state, transferring large amounts of taxpayer money to arms dealing megacorporations and importing radicalized foreigners whose homes we just bombed to swell the reserve army of labor and justify more of the same when they inevitably commit additional terrorist attacks against us.
The goa'uld, meanwhile, are technologically superior, have no qualms about genocide and actively want us destroyed so our free and technological civilization doesn't threaten their image of divinity to their human slaves.
A sensible goa'uld policy looks like:
- Tell everyone everything and share every piece of technology. No exceptions, "national security" among human nations is irreverent compared to having billions more scientists to throw at reverse-engineering and all the world's military-industry complexes involved in mass-producing humanity's defenses rather than just the American one.
- If a planet has a barbarian human population, it needs glowies infiltrating to spread technologies and weapons to inconvenient the goa'uld empire with guerrilla uprisings like the soviet union was doing during the cold war.
- Plant colonies everywhere, with as many copies of manufacturing infrastructure and archives of information as possible, in the full expectation that eventually the goa'uld will show up in force with enough firepower to break through whatever gimcrack knockoffs of their tech we could reverse-engineer for earth's defenses and orbitally bombard the planet till they've killed everything but the deep crust archaebacteria.
- Keep all the "it's too dangerous" menaces of the week in a weyland-yutani attempt to develop a MAD deterrent sampson option to do as much damage to everything as possible in the event of our defeat.