This article charting the rise in lower ABV beers at some point writes:
Whatever the reasons, brewers have quietly been introducing low-ABV and even non-alcoholic craft beers….
For some reason, the plainly obvious reasoning of: more variety means appealing to more customers means more money, just never appears. I don’t know why.
What I will say is that if businesses expect me to pay more for a beer that’s at 10%, that’s understandable, as it takes more materials to create such a concoction. But they’re going to find 3% beers that they try to charge as much for a very, very difficult sell.