Why is there STILL no nice “ask to leave” option?

I had some stray Sim turn up on my lot the other night, moaning about being hungry. She was still hanging about when my Sims woke up. I wanted to ask her to leave (and I didn't really care if they were rude or not), but in order to ask her to leave, they had to introduce themselves. I was afraid she'd become a text-message spamming acquaintance, even with a negative interaction, so I had my Sims ignore her. Thankfully, she finally left.