I’ve read a bunch from both authors and think your point checks out. Gainan has much more variety. I’m not sure it matters though.

My guess, worthless as it is, is that Gaiman’s best works celebrated the marginalized. Loved them and taught you to love them. Respected them. His work taught people that his actions are terrible.

On the other hand, Stardust. Maybe my guess is totally wrong. Shrug