No, people aren’t ignoring it. You just need apply context like with everything.
For example what are Super Rugby crowds like today compared to twenty years ago? What are league crowds like today compared to 28 years ago?
For example, crowds in Super Rugby were easily outstripping crowds in RL twenty years ago (their average was higher in NSW, ACT and WA) now their crowds are about the same as the A-League.
List of Rugby Union crowd attendance figures in Australia, including stadium crowds, highest and lowest attendances across current and previous years.
www.austadiums.com