Maybe they were hoping somebody merely seeing Chekov while browsing channels would make them stop,
mistaking him for one of those singers, and by the time they realized it wasn't, they'd be drawn in by the show and watch it regardless. (Rather than knowing he was
not one of them from the beginning, but watching because he looked like one of them.)
(BTW, you might like these song rewrites of mine:
Hello, we read you Are you in trouble, we heard your call for help, what do you need Sir, that’s all I’m getting There’s a distress call still broadcasting But they’re just not answering Hello, can you hear me? We’re not reading any lifesigns from your ship that we can see You may be...
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