Customer support is a crappy job even in the best of circumstances.
This isn't a two-sided coin issue - it's multi-sided. Boycotting the American companies will only put more Americans out of work and financially strain the company, and the stockholders and investors, and doesn't solve the problem... if you accept that there is a problem in the first place.
Where do you think most of the parts for computers and electrical devices come from? It's rare to find them made in the US anymore. The inevitable push of technology and associated support downward from advanced econonies to lesser advanced economies cannot be changed. It's something you have to accept and learn to live with.
For what it's worth, non-English speaking countries are just as frustrated with the lack of support in their language for US products. Everything works both ways.
It's hard to evangelize that free trade and open economies are the path developing countries should take, then in the next breath, support protectionism.
The long-term reality is that the freerer markets become, the more democratic their governments become. And the more intertwined economies become, the greater the chance that differences will be softened due to those mutual economic ties.