And BTW it's already happening, it's not a fantasy.
Imagine a woodworking forum and someone being called out for showing off their little 6 piece tool box and someone saying how this doesn't adhere to residential building code and what this does for the profession of woodworkers...
For instance at Boeing, the fault of software problems lies entirely on the managers: They made the decision to subcontract software engineering to a third party to cut cost, but also they didn't provide the contractor with enough context and support to do a good job. It's not subcontracting that was bad — because subcontracting can be the solution in some circumstances and with proper scoping and oversight — it was the management.
The MCP protocol is changing every few weeks, it doesn't make sense (to me at least) to professionalize a technical demo, and I appreciate that LLMs allow for faster iteration and exploration.