…sure? But Ingrid arrived in SB in 2001–so wouldn’t Regina know by that point that Dopey was the original Ice Cream Guy and New Blondie Girl isn’t?
Well the ice cream shop didn’t just magically appear when Ingrid showed up, so it had to always be there with someone else running it prior. Plus, the whole bound and gagged under the counter trope is common for when someone steals somebody else’s job. I mean why else would he be in the scene like that at all?