I think it's not such a silly idea. At least it works for my mom's cat, which also only drinks running water.
But... earlier generation of cats used the fountain. Seems very cat-dependent. I suspect had we only had that option, they may have used it, but didn't want to test that level of harshness.
Does anyone have advice for a cat that drinks water by dipping their paw in the bowl and then licking their paw?
My cat will only lick water straight from the bowl if I stand over her while she is at the bowl (when she tries using her paw, I grab the paw wiping the water off with my hand and say "no", she pauses for a bit, and then relents and licks the water from the bowl)
When I'm not there, she leaves wet paw prints through the house.