Yeah, I'm not entirely sure why anyone would want to start a secondary account for anything, perhaps other than pking*.
I mean, I've put hours into getting an account's skills up to 75, so why exactly would I want to start again and get everything to 40 when I could use that time getting more experience on the main account.
*Any account with a defence level will fail at pking. 99 strength = level 30. Level 30s are evil.