>do you think any of these are "less nutritious"?

https://pmc.ncbi.nlm.nih.gov/articles/PMC10969708/

>When you see a device like this does the term 'sonic fidelity' come to mind?

Your straw man is funny, because yes, actually. Certainly when it was new. Vintage speakers are sought-after; well-maintained, and driven by modern sound processing, they sound great. Let alone that I was personally speaking of the types of sets that flat-panel TVs supplanted, the late 90s/early 2000s CRTs.