Well, lobbyists work not only for evil corpos, but also for NGOs and movements… Lobbyism is the process to sway politics to a direction through interpersonal meetings, and is necessarily in a democracy.
However, one thing that would benefit the US is transparency around lobbyists; who they are, how they are funded, their agenda etc. The EU has a database on registered lobbyists and the transparency helps with parts of the problem.
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