Indeed. Much of the time, what we perceive as "that person proposes a bad thing because he has bad intentions and bad motives" is wrong: people have good motive

Indeed. Much of the time, what we perceive as "that person proposes a bad thing because he has bad intentions and bad motives" is wrong: people have good motives and they mean well, but they should see that what they propose with good intentions will eventually have bad outcomes. See "unintended consequences".