This study sought to assess the effects of a salt substitute (62.5% NaCl, 25% KCl, and 12.5% flavorings) on incidence of hypertension and hypotension among older adults with normal blood pressure.
https://www.sciencedirect.com/science/article/abs/pii/S0735109723082633?via%3Dihub
There are copious studies showing the link between excess salt and hypertension and heart disease. This has been well established for decades
Mmm, nope - https://youtu.be/HMsbl22gQLg
I suggest you watch that video again. He agrees that high sodium increases blood pressure. Most of his points are about how it affects people differently and other lifestyle factors that affect blood pressure such overall diet and exercise.
Yeah, but high sodium means you eat kilos of it every day. No one does that. NO ONE!