In my experience, it does mean exactly that. Went to the local modular synth store (which I like a ton; they have tons of events like weekly meetups, workshops, etc.), and they often tend to run out of Teenage Engineering PO series devices. Talked to the owner (as it is a small shop, so he more often than not works the register himself), and he confirmed that they cannot stop ordering new batches, since they get sold out so quickly. And that's despite the fact that they sell it not any cheaper than through other channels (official website, amazon, etc.).
Can confirm, had to wait a few months before I could get my hands on their PO-33 sampler — one of my most cherished pieces of hardware now and def worth way more than its price tag to me (as someone who doesn’t generally buy music equipment).
