Things have changed a great deal since the days of Mr. Mayer. The studios no longer control, as they did in those days, artists or directors or producers, as the case may be. ↗
There were a lot of times where there was a great deal of fodder recorded and played, because there was a market for it - just as there is today. And there were more bad bands than there were good bands - I think that should always be remembered. ↗