AITA for Excluding My Neighbor's Son?

AITA for not inviting my neighbours autistic 8yo to my 2yo sons toddler party? My son has just

had his 2nd birthday and we had a party for his friends from playgroup, my neighbour messaged

me after the party saying 'the cherry on the cake' to all the shit going on in her life was

that I didn't invite her autistic 8 year old son to his toddler party. She's made me feel

really guilty like I'm the reason for her upset. Her son is non verbal and smacks himself

in the face if over stimulated. I didn't invite as it was a toddler party with only

5 2-3 year olds. My living room isn't very big and I know her son is sensitive to loud noises and

thought with all the screaming and fighting it wouldn't be a good idea. He also has to blow