2 Peter 2:2-3

2 Many will follow their sensuality, and because of them the way of the truth will be maligned; 3 and in their greed they will exploit you with false words; their judgment from long ago is not idle, and their destruction is not asleep.

Here we see the evil character of the false teachers. They are full of sensuality and greed. And they will use it to entice people to follow them and listen to their lies, in order to get hold of their money. But Peter again affirms their swift judgment (v. 1), just as God has brought to evil men long ago (in Old Testament times).