Note that France – one of governments with commercial interests in the Airbus/Eurofighter consortium – doesn't have clean hands when it comes to spying on behalf of its domestic firms: https://www.independent.co.uk/news/world/france-spied-on-com... While perversion of national-security spying for generic & narrow commercial gain is concerning, arms deals are a hybrid case. To the extent a case involves government-on-…
But when it's just one party doing the spying, it violates trust, not builds it, as the US has learned.
It's hard to measure how much the Snowden revelations have contributed to the distancing of US allies, since there was also someone else who contributed greatly to the ongoing political isolation of the US, but it certainly didn't help build trust.