The last time we were all offended by the use of Hitler in an ad -- when he appeared having sex in this NSFW commercial for World AIDS Day -- Mediaite pointed out that Hitler is essentially lazy advertising shorthand for something bad in much of the world.
That theory is borne out if you do a search for "Hitler" on Ads of the World -- a database of advertising that creative types upload their work to -- you'll find nine pages of results. Some of them are "spec" ads, meaning that clients never actually published them. But some of them carry publishing dates. And most of them are from non-U.S. countries.
Here's a few: