I think that the coinages are mostly reasonable. Finance/accounting have a thick lexicon. So does computer science. So does devops. And those lexicons are all mostly non-overlapping. Granted the crypto lexicon is a lot more playful/childish. Stuff like "HODL" is just shibboleth but that's a minority of the jargon. The stuff that grinds me is when crypto totally redefines a word and doesn't realize it or expects everyone to follow along. "Inflationary" in crypto-speak has only a passing resemblance to the concept by the same name in economics.