1. Goal of Copyright

The Real Issue Copyright Was Solving

Is copyright really about making sure that authors are not begging on the streets or is it about something else ? 

Your point exposes something important: copyright was designed primarily to solve the profit-distribution problem ("How do creators earn money in a scarcity economy?"), not the attribution problem.

In a non-profit commons:

• The profit problem disappears — no one is extracting value from your work
• The attribution problem remains solvable — and arguably solvable better through transparent, traceable systems than through law

A creator in this world might actually prefer perpetual attribution with no legal gatekeeping over exclusive copyright that becomes invisible once the work enters the commons. Your name becomes the brand, not the legal restriction.