While editing may be the first step to fame and fortune, terminal punctuation (on this sign from the shop floor of Macy’s Seattle) is not. Photo by David Harrison.

While editing may be the first step to fame and fortune, terminal punctuation (on this sign from the shop floor of Macy’s Seattle) is not. Photo by David Harrison.
I’m guessing the magazine people created the sign.
They could have formatted the sign to avoid the full stops altogether. It’s strange that they elected to punctuate one sentence but not the other…
Back when I was editing magazines, omitting the end punctuation on a multi-sentence headline was a standard magazine style. I wouldn’t have transferred that style to a sign, though.
Who knew that editors were such glamazons?