Can someone please help me understand those that says eternal realm don't matter

It’s also something PoE has made near standard over the past 10 years. Only 8-15% of people play Standard and that includes people who theory craft new builds, Uber craft for a video, etc.

Not specifically playing regularly. You can actually look up this data.
D3 did this with Leaderboards. Not everyone’s thing but fun for a few weeks to me.