There's no wrongdoing here, no matter how much you wish there was.
Use of legal mechanisms in order to settle dispute are not inherently right or wrong, for anyone.
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So what.
They have the opportunity to prove their case and answer Apple's claim. If they cannot or will not do that successfully, then they were in the wrong, and life's tough. If they are successful, then Apple will be denied their claims and will probably pay costs. This stuff happens every damn day. Trademarks need to stand up to scrutiny, whether you're a one-man operation or multinational. If Apple's claim is truly unfounded then Fangguo has nothing to worry about.
The courts provide answers to a test of (material) claims.
Ob-la-di, ob-la-da, life goes on, brah.