Lobbying is literally half of what representative democracy is. First, you elect representatives to office. Then, you try to get them to do what you want. The latter is lobbying.
Of course, when money becomes a significant portion of how the second one happens, things can get complicated.
Everything is complicated by money. I wish we were better about shielding politics from money. So much about society in general is about money, it ain’t easy.
Of course, when money becomes a significant portion of how the second one happens, things can get complicated.