What this doesn’t really address is the why? Yeah there’s more money floating around, so perhaps more people want to spend it, but why? Most people aren’t getting materially more stuff or even need that much more stuff, consumption’s already god damn conspicuous. Maybe everyone can afford a jet ski all of a sudden? No, the stims didn’t really do /that/ kind of wealth expansion. To me, this still looks like the bullwh…
It’s a whiptail effect. Shifts in demand and supply cascade and create unpredictable effects. For example, the rush on toilet paper triggered more production, which reduced pulp supplies, which constrained golf cart supply. Why? Seats are made from particleboard, made from pulp. Plus, golf courses bought more carts than usual due to lockdown restrictions.
It seems plausible that golf cart manufacturers aren't ready to handle extremely spiky demand. Also, that the toilet paper explanation begins as a joke or a guess, and takes hold because everyone likes it as a story.