Your point is true, but it's also likely that the model for a lot of these companies is to start with premium so they can focus on a profitable model and get the supply chain and execution worked out while there is still wiggle room, and then move down market. This is what Uber and Tesla did, and I wouldn't be surprised if that is the most fashionable approach these days.
There are probably plenty of exceptions, as well, like Dollar Shave Club.
There are probably plenty of exceptions, as well, like Dollar Shave Club.