US coffee roasters will not face a crisis - because every single participant will face the same same situation and same tax. No one supplier or roaster will have an advantage over any other.
Perhaps they may lose the marginal customer who will think “my morning cup of coffee I make at home now costs me $0.85 instead of $0.75, I will switch to something else.”
But tea will face the exact same thing also....
but otherwise, the whole industry, from the farmers in Columbia to Starbucks, will simply do some combination of absorbing the cost, or passing it on.
Then what is the tariff for? Just to discourage imports regardless of whether there’s domestic competition or not?