Checked luggage is handled by many persons and in many different places. The TSA are only one of those many steps. Even though TSA keys should be secure, I doubt that there aren't counterfeit ones around. Rogue baggage handlers are not uncommon.
You need to read the fine print on your ticket and your travel insurance to find out what actions are available to you. Most travelers would never put valuables in their checked luggage.
“pictures of TSA master baggage keys got leaked by the Washington Post and also PDFs hosted on TravelSentry's Website. This repo is a reproduction attempt.
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The TSA has issued an official statement making it known that they don't even care that we've done this, as the now-pointless locks affect theft prevention, not airline safety.“
Honestly... Zip ties work really well to keep people out of my pelicans when I travel. The TSA is required to replace them and they are a significant enough impediment to someone breaking into the case that they will just look for something else.
You need to read the fine print on your ticket and your travel insurance to find out what actions are available to you. Most travelers would never put valuables in their checked luggage.