@Bobbiebigbum, Hi, the (single - because I know Mumsnetters always need to know if there’s a father on board) parent of two children with complex needs and disabilities here. I just wanted to bypass the whole ‘tech’ rabbit hole drama that’s going on here and check if your disabled child is receiving the right support for him at school as what I tend to find is that my disabled child suffers all the injustices that disabled children have to suffer in the school environment, day in and day out, and then offloads all her pent-up frustrations at home.
Sibling rivalry and arguing and fighting is totally normal but if it’s stressing you out, then why not consider seating your children differently? My 13-year-old regresses to toddlerhood when she’s with her five-year-old sister and it’s scarily like having two toddlers. Most parents have smaller age gaps and it is commonly accepted that toddlers and those close in age will argue and fight; I’ve realised that regardless of the big age gap, the normal sibling rivalry still exists but I’m less tolerant as I expect my elder child to behave better.
With regards to the tech, I would hazard a guess that most kids of your elder son’s age would be on it 24/7 if they could. Let’s face it, many of the adults on this site post so frequently that they’re clearly not tackling War and Peace in their downtime.
Please, as the parent of a (very challenging) teenager, try to find some commonality with your boy, see if you can spend some one-on-one time, love bomb him, and read up on natural consequences for poor behaviour, rather than the bog-standard Mumsnet trope of ‘change the WiFi password’ for any child misdemeanour.