Reince Priebus was complaining on Fox about Democratic Socialists and said that they were the wrong kind of radicals:
Sorry, he doesn’t get the credit he deserves, but you know, the most offensive thing that’s going on now with these guys and and and Nixon in Florida and El Sayed, you know, they’re they’re they’re trying to equate themselves to Jesus. They’re calling themselves radicals, you know, Jesus was a radical. I’m a radical, you know; using the same word doesn’t make them equivalent.
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Perhaps it would be more apt to say “Jesus’s actions align with socialism” but that’s just a long form way of saying that Jesus was a socialist. Just because the term didn’t exist back then doesn’t mean that he wasn’t a socialist.
Ada Lovelace is regarded as the first ever programmer, and she lived about 150 years before the first computers were invented.
People were doing math well before math was documented and defined.
Dinosaurs weren’t called dinosaurs until humans named them that, but they were always dinosaurs.
Using modern terms to label history is just a simpler way to discuss historical events and people.