To each their own. To me "Thanks" looks boilerplate-y and so will likely fade out as meaningless noise when reading the mail, whereas "Thx" looks like it has at least a (tiny) chance of being genuine.
When watching American TV shows it is already disturbing that people don't seems to say goodbye to each other, just walk away. Guess they found it boilerplate-y too? It would be considered immensely rude here, yet American tourists always complain why the cashiers, or whatever service person don't have an ever-fake-smiling face...
> When watching American TV shows it is already disturbing that people don't seems to say goodbye to each other, just walk away. Guess they found it boilerplate-y too?
