[ghaff]

From the consumer perspective, probably. But from a laundromat's perspective, even if only a fraction of users use coins, they still need to deal with coins.

Once you're below some use threshold, a lot of places would prefer to ditch cash entirely.

[rhn_mk1]

It reminds me of the cycle of enshittification: once you have a captive audience, you start bumping the profits at the cost of the user experience.

It looks like something similar is in effect here: instead of meeting the different customers where the customers alrady are, it's the company's preferred way or the highway.