Clearly high interest rates in the 80s didn't prevent banks from making loans. Lets talk about the inverse of of what you're suggesting - perhaps the lack of ROI on loans is preventing banks from doing what they're supposed to be doing - lending to small businesses.

What you say may be true for almost all the products, unless when the product is 'money' itself. Something worth considering.

Easy access to low-cost loans creates the illusion of affordability and exacerbates over-consumption (over-consumption: a general malady afflicting most humans)