Linden Labs,
Users do not understand PBR technology and they see it as a negative based on the implementation that has transpired over the last year. PBR doesn't work for users on lower-end computers. Color mapping has changed and many do not understand this or even know that it has happened.
It is important that you, Linden Labs, do your due diligence to make sure users are educated and understand PBR so that creators are actually able to make the transition to PBR without angering a portion of our user base.
We hear things like, "Even on PBR viewers, I don't like how colors look." "I don't like PBR so I won't by any PBR items." "PBR should never be used on clothing." "PBR is just to make things shiny."
My suggestion to combat this is for Linden Labs to produce a series of short, easily digestible to the public, tips or videos on PBR & ACEs color mapping. This will not only help users understand the reasons for the change and the purpose but why PBR is a good technology. Even asking users for tips to submit and have a place where people can view these tips to try to be able to use PBR.
To be fair, I think this should start with a heartfelt apology to the community for the poor implementation of PBR and lack of education on your part.
I think you'd be surprised to see how many still are not on the PBR hype train. There are many creators who have not done a single PBR release. They are still hanging on to Blinn-Phong. I suspect they worry about sales, knowledge on how to transition from BP to PBR, etc. These are all things that could be helped or solved with Linden Labs actually explaining what happened and how they are working to fix it and education on PBR and how it will help lift Second Life into the next decade.