The cognitive load is unavoidable and in some ways worse in industries with highly technical names.
At one point in my career I was an engine calibrator at a large automotive OEM. Our lexicon included physics industry terms (BMEP, BTDC, VVT, etc), a large software package where every variable, table, and function was an acronym (we had about 75k tunable parameters, each with an acronym), and all the internal company jargon and acronyms you'd expect in a large corporation. But every name was as technical and functional as the author would desire.
During my first month I was exhausted. I would doze off in afternoon meetings or pass out in my car as soon as I pulled in the driveway. I finally mentioned this to a more senior coworker and his insight was that my brain was working overtime because it was busy learning another language. He was entirely right! The constant mental load was a very real and tangible load. He relayed an anecdote when he went to S. America on his honeymoon and despite him and his wife having taken ~4 years of HS/college Spanish the mental work they had to do to function basically nixed half the daily activities they had planned due to exhaustion. That was what I was experiencing.
The idea that more technical and specific names reduces mental load does not track with my experience. The complexity is intrinsic not incidental and I don't think it has much to do with the specific names chosen.