Garfield, I think it just a case of a difference in the needs of people on the various forums. Some of the other forums are frequented by folks that are not necessarily JCNA members; and likewise, many members here are not as prone to do so much of the in-depth repairs, diagnostics and 'modifications' covered elsewhere. That's not to say there are no such folks here, just not as many.
Others may chime in...........