I know what average means moon, thing is, it is not translated that way in the FG chart. That’s all.
For instance you said that average RPs are role/scrub players. Role/Scrub players are at the bottom of the 7-level FG’s WAR chart. If you are in the bottom of the chart, you are not average. You are way below average, specially if you are a scrub player. Average should be something in the middle, shouldn’t it? The Good Player Level is not average by definition either — Good players are not average lol! So the Solid Level in their chart is more likely what an average RP is.
Said that Matt Barnes is nothing but a career Role RP before 2021, based on the FG’s WAR chart. It is a fact and it is not a good pedigree since this level is at the bottom of the chart.