Jameson’s is the best selling Irish whiskey by far worldwide. It has been among the top selling whiskeys in the world since 1890. I have every reason to suspect it will continue an over 100 year trend as a success. I have zero reason to suspect an alcoholic beverage that is complete shit according to whiskey experts, marketed by a fading professional fighter, will stand the test of time. Especially with the only evidence presented is that people bought it when it was first released.
People also bought beta max vcr sets when they came out. Look how that turned out.