It's a shame that they didn't realize the old man was more intelligent than they were...
Teenager locked up over harassment of man who died
That's why he didn't know how to deal with them. The trouble is: nobody ever forgets anything. Did you know that? No? Well, that's because you've never taken the time to notice.
The old guy made the mistake of thinking that if he was kind enough to these little cunts, they'd be kind to him. He'd noticed the pattern. Unfortunately for him, some people are too far gone to realize that kindness should be reciprocated.
And, now, I'm as stupid as you - and I despise you for it.