The last episode could be a lesson from Jor-El: These events could have been preventable if Kal-El used his powers for good. This is what happens if Kal-El were not here. Now wake up, get out of your fetal position and do something! (or something like that)
A few people have asked about the fire in the Kents back yard. You are obviously from rural areas and don't know much about street gangs. I wager Lionel has paid off some gang from Metropolis to wreak havok on Smallville and to terrorize the Kents. Judging from the firey gang symbol, I...