[jeauxlb]

You might be conflating capitalism (owning things like factories) with consumerism (buying things like widgets).

If all of the factory owners discover a type of widget to sell that can incidentally drive down wages the more units they move, it's unlikely for consumers to be provided much choice in their future widgets.

[AstroBen]

The lowest cost (either purchase price, or to produce) products don't create a monopoly

$30 blenders that break in 3 months haven't bankrupted Vitamix

[jeauxlb]

Search, music streaming, books: heavily consolidated markets where the value-based offering has supremacy (Google vs any paid search; Spotify/Apple Music vs Tidal; Amazon vs anything). It's the market supremacy that generally allows this.

If quality were a sufficiently motivating aspect, Google's deteriorating search wouldn't be a constant theme on this site, and people on the street would know where to download and play a FLAC file.