• I didn’t mention recycling, but then, I didn’t mention much about the topic.

    It’s not recycling that’s the issue. It’s the fact that millions of people are paying to move mostly water around, which has - in aggregate - a huge impact in terms of fuel consumption. Each bottle of hand soap is not expensive to transport, and cleans far less, than a single bar of solid soap. And this isn’t the only environmental impact; recycling or no, bar soap requires far less packaging, and that packaging is often renewable resources that are bio-degradable, whereas liquid soap nearly uniformly requires quite a lot of plastic packaging.

    These weren’t the only points in ecological favor of bar soap; I didn’t memorize the list, but the arguments were substantial, unequivocal, and not debatable. And easily discoverable online.