They're not naughtier, it's just you don't entertain them as well.
My tri is the devil himself. Our red is a little angel. Love the tri to death, though.
Should be called "trying", as with your patience. Still love mine to death, as does everyone else who meets little lucifer. Funny thing he is perfectly behaved when left alone at home, uncrated. He usually acts out for attention when he are home. He has demands & need that need attention, then he can settle down.
No general statement about anything is completely true.