Neologism for a neologistic age: "Minimum viable user"

In my recent comments on Google Chrome, I tossed out a phrase describing the lowest-skilled user a product might feasibly accommodate, or if you're business-minded, /profitably/ accommodate. The hazard being that such an MVU then /drags down/ the experience for others, and in particular expert or experienced users. More to follow.

First, this appears a new coinage:

https://duckduckgo.com/?q=%22minimum+viable+user%22
#tootstorm
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Mobile comms generally have expanded on failures of business phone systems in poor usability /as phones/ by significantly deteriorating audio quality and dynamics -- constraints of packet-switching, compression, additional relay hops, and speed-of-light delays have boosted noise and lag to the level of interfering with the general flow of conversation. Which isn't particularly an interface failure as such (this is /channel/ behaviour), but it encourages the shift to text of millennials.

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@dredmorbius interesting proposition, what is the reasoning behind suggesting sound quality and latency are a. degrading compared to pots, and b. responsible for the shift to a different medium?