Always will be somebody willing to mine low fee tx - but this artifact of the surrounding reality is negligible in the first approximation, I assure you... :)
Yes, I know that's in line with your quote regarding Bitcoin miners:

*"Most of them are mining to SECURE the network."* 

But that's naive perception of the surrounding reality...
You are so old and so naive still... ;)

jk_14

Yes, I mined on GHASH between 2013-2015. Those times weren't so many good pools and GHASH was a good one.

No. Will not fail. Will always be somebody willing to mine your low fee tx. This is actually creating more pressure on the market.

bitcoin

Centralizing Forces - A Weekend Discussion

Yes, I mined on GHASH between 2013-2015. Those times weren't so many good pools and GHASH was a good one.

>this business case is destined to fail 

No. Will not fail. Will always be somebody willing to mine your low fee tx. This is actually creating more pressure on the market.