When the government has goodies to hand out, businesses (and others) will line up for these goodies.
And the goodies usually aren’t free. This is one of the reasons we say that tariffs are always tools of crony capitalism.
Even while tariffs are merely being considered, lobbyists are making the case any way they can for why a new tariff would help or harm their clients. After they take effect, if the government offers exemptions, it creates still more temptations for affected companies, not to mention the government employees with the power to approve or deny the exemptions.