do guys/exes hate being ignored?

Hi guys to cut a long story short, my ex of 9months ditched me for the 3rd time about a month ago (he is 41yrs old and narcassist in nature) He dumped me after going on a family holiday together with his 2 kids and my little girl. It was very out of the blue. He does get very stressed out. Anyhow i let him walk, never begged, pleaded etc........i've not attempted any contact with him, i don't want to. He's emotionally abused me, but i'm getting stronger, slowly, but i still have my self respect. I saw him yesterday for the first time, i was in the car waiting to pull out into on coming traffic. He was right infront of me outside of his vehicle. I Know he saw me, i'm sure he tried to get my attention, but i completely ignored him, and drove past. 10 mins later i got a phone call, it was him, i ignored it (i have no desire to speak to him after how he treated me and my girl) funnily enough the following morning he saw a mutual friend of ours, and he commented that he thought she wouldnt be speaking to him because of me, she replied that she didn't even know we were split because i hadnt mentioned his name, to which he was apparently genuinely surprised. I don't want him back but i do want karma to bite him on the bum. I've ignored him by not calling him for a month, blanked him, ignored his call, and 'apparently' not even mentioned his name. My question is , do guys hate being ignored? He may be angry at me. I would like for him to want me back or regret his actions, just to make me feel empowered because my self esteem is genuinely low by continually being knocked by him and i've tried so hard to remain distant, i would like to hope my hard work would pay off in some form. So do guys hate being ignored and am i doing the right thing? thank you