If they feel there is a sufficient security threat posed by US based social media/apps, then I see no reason why they shouldn't. But its pretty clear that the

If they feel there is a sufficient security threat posed by US based social media/apps, then I see no reason why they shouldn't. But its pretty clear that the security threat posed by US based services vs certain others is starkly different, especially since the US is generally seen as a beneficial/friendly state.