wearing a big nose costume over a decade ago

I don't know why you didn't quote the article you linked to.

When Israel apologists claim that Benjamin Hammond Haggerty AKA Macklemore has a “history of antisemitism,” they are referring to one incident and one incident only. In 2014 Haggerty drew controversy for wearing a large fake nose in a performance which was subsequently decried as antisemitic, which would have been a fair claim if the artist had intended to depict a Jewish person.

The problem is that there is absolutely zero evidence this was the case. In a lengthy statement apologizing profusely to anyone he’d offended, Haggerty said he’d grabbed a bunch of costume supplies in order to disguise himself for a show where he could walk among the crowd and surprise them with a short performance.

[...]

A witch nose. It was a witch nose from a costume store. For Halloween. There is no evidence whatsoever that Haggerty was lying about any of this