The only people whose time it is worth to research candidates is that of those who are paid to do it, those being lobbyists. What economic sense does it make f

The only people whose time it is worth to research candidates is that of those who are paid to do it, those being lobbyists. What economic sense does it make for any individual voter to spend the weeks and months it would take to have any idea what all of the candidates that might be running might think on even a small number of major issues?