You can sue anyone for anything; the real issue, is can you win? WA is an at-will state. That means you can be let go at any time for absolutely no reason whatsoever, so long as the reason is not discriminatory, In order to prove discrimination, you need standing as a member of a protected class, which includes elements such as race, gender, disability, etc.
Here there is clearly a disconnect between corporate and the local office, but it is unclear who is making the decision and whether the local office *actually* sent materials to corporate for review. Can they fire you based on what a customer told them? Sure. Can they fire you just because they feel like it? Absolutely.
I know this is not what you wanted to hear, but there it is. Elizabeth Powell
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