[mightybyte]

The concerns you're talking about here were primarily deficiencies in tooling, not an inherent problem with the PVP. Many of those deficiencies have been fixed (for example, --allow-newer) or there is work in progress that will fix them (cabal new-build, cabal.project files, etc).

[dllthomas]

That may very well be the case. Again, I'm not arguing about the PVP. I'm arguing that discussion of those concerns is not non sequitur.