That's not the point. You are assuming the fighters are only for use against the US.
There is the possibility of Brazil (or any other country that has bought F-35s) getting into a diplomatic tiff with the US, losing access to their fighters because of it, and then being unable to use them for standard training exercises or boarder enforcement against neighboring countries.
Having your fighter fleet grounded would be "disappointing" in far more situations than "is in a hot war with the US".
Aha, and then what other country would they use that ability in support of? Cuba? Venezuela? Bolivia? Also they would probably take a near-total hit on their weapons export bussiness...
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If you get into a "tiff" with the US where you need F-35 fighters, you have more urgent troubles than these Fighters being unreliable...
That's not the point. You are assuming the fighters are only for use against the US.
There is the possibility of Brazil (or any other country that has bought F-35s) getting into a diplomatic tiff with the US, losing access to their fighters because of it, and then being unable to use them for standard training exercises or boarder enforcement against neighboring countries.
Having your fighter fleet grounded would be "disappointing" in far more situations than "is in a hot war with the US".
Aha, and then what other country would they use that ability in support of? Cuba? Venezuela? Bolivia? Also they would probably take a near-total hit on their weapons export bussiness...
You don't need to be fighting with the US. Say you're Greece, and you're fighting with Turkey. Or Iraq vs. Saudi Arabia.
The US picks the winners.
Don't they always?