This is actively hilarious. Trump isn’t a “style icon” even for his followers. No one wants to (checks notes) wear off-the-rack suits that are ill-fitting, unflattering, badly proportioned and involve extra long ties. That’s not a look that’s being copied, in any way, except by the people working as Trump impersonators. Absolutely no one thinks it’s inspiring, style-wise. It’s true that his style is extremely recognizable, but for the wrong reasons, and that’s not at all the same thing as being an “icon.” If there’s such a thing as an anti-style icon, that’s him.
In theory Melania could be a style icon - but clearly isn’t. I haven’t seen any discussion at all of her “style” - if she even has one. I get the impression she doesn’t have the brains or creativity to come up with her own style and just wears whatever expensive, fashionable clothes help her fit in rather than stand out. She’s not remotely a style icon because she’s not recognizable.
Somehow this couple manage to be less style icons than any presidential couple in recent history, including the ones that were completely non-noteworthy.