i guess the simple answer would be the temperence political mobilization was centralized and utilized modern communication networks along with newly relevant demographics (women)

while the liquor-related capital was extremely disparate and unconsolidated. you had hospitality capital, wholesale capital, farmers & producers---all relatively small scale & at odds on other issues.

i think if as much agitation had been applied to say, rail industrialists (and it probably was, tbh) the same result would not have occurred, because the rail cartel acted collectively in its interests