Jargon is the blunt tool of a weak mind.
A good writer should be able to express even the most complex thoughts in straightforward, easy-to-understand language.
Yes, there will be occasional instances where you may need to introduce your readers to terms or expressions they don't already know. If you budget a few sentences to define them for your reader, you'll welcome a broader audience to your work.
Don't turn your writing into a pompous and exclusionary in-joke.