It's not the issue of the speech in lobbying, it's that lobbying in politics means gifts of money. I can "lobby" a police officer not to give me a ticket, but

It's not the issue of the speech in lobbying, it's that lobbying in politics means gifts of money. I can "lobby" a police officer not to give me a ticket, but when I offer him a $20 all of a sudden he'll call it a bribe and slap the cuffs on me. (Despite my explanations that money is speech, and thus protected...)