Oh they will. Just like the first 2 iPhones were only those two iPhones. Then the iPhone 3GS, and suddenly you had a choice between "iPhone 3GS and the now-a-bit-reduced-but-still-very-useful iPhone 3G". Same for the iPod at its time. They'll plant here, then (funny enough) "trickle down". They'll ooze their way into the lower portions of the higher end and lay waste to the profits.
Did you see the ridiculous article about "Get an Amazon Fire for $39 today!" ? Ugh... no money to be had in that. That's just Amazon trying to capture any sales before the next iPad comes out in October. Same will be happening in the speaker market.
Apple knows they have (a LOT of) work to do, tho. We all know it. First 2 iPhones didn't record video; not until the iPhone 3GS. But at the time, other vendor phones were doing video (IIRC, the Windows stuff from Sony Ericsson did; yeah, big flashback!). Same equivalence for the HomePod. We already saw it with AirPlay 2 and stereo support. They're figuring it out; albeit slowly, perhaps too slowly. Same for the first iPhone at a wallet-damaging $599 until they dropped the price and later did revenue-sharing with AT&T, or the first iPad at $499. They may be slow, but they'll get it (cf. Verizon iPhone 4 and later the right-sized iPhone 5).
In three years, we all will be having a very different conversation. (granted, I do hope Apple figures it out by then and really gets their **** together; they indeed are way behind. "Go team, go!" haha)