If you have low enough water hardness and TDS, then rinse aid serves no purpose and you can just not use it. Even with higher hardness, the main benefit is just aesthetic.
Alcohol ethoxylates that were identified to cause epithelial inflammation and barrier damage[0] are listed as ingredients in consumer dish detergents[1] and rinse aids[2].
Your search and that of the other reply missed the previous sentence “The expression of genes involved in cell survival, epithelial barrier, cytokine signaling, and metabolism was altered by rinse aid in concentrations used in professional (emphasis mine) dishwashers.”
https://www.sciencedirect.com/science/article/pii/S009167492...
And here’s the ingredient list for a major brand of residential rinse aid:
https://www.rbnainfo.com/product.php?productLineId=654
It sure looks like the same stuff.
If you have low enough water hardness and TDS, then rinse aid serves no purpose and you can just not use it. Even with higher hardness, the main benefit is just aesthetic.