The idea that a state government is unnecessarily at the mercy of any corporation is hard to comprehend. Especially, as in this case, a foreign corporation.
Open source shouldn't only be the standard for governments. It should be the minimum requirement.
Also, don't forget that Israel spends a lot of money to influence US elections. Until we have genuine campaign finance reform that disallows this, we'll have to deal with politicians who treat Israel better than it otherwise needs to be treated.