In Home Alone why did Kevin McCallister get blamed for starting the pizza fight?

[Hawkee]

Whenever I watch Home Alone I can never figure out why in the scene when the family is eating pizza and Kevin McCallister is left without pizza and starts the pizza fight I always seem to think Buzz should've gotten punished and not Kevin because in my eyes Buzz ate Kevin's supposed plain slice of cheese pizza as a way to see how Kevin would react and to annoy him. But why Kevin McCallister accused Buzz of eating his pizza and then spilled milk and started the pizza fight in the first place was so that he could get special treatment. But this scene tells me why Kevin accused Buzz of eating his pizza. In the scene Kevin goes to Buzz's room and asks him if he can sleep with him in his room and Buzz said no and this pizza fight was a way to get back at him. But I think Buzz should've gotten punished for being mean to Kevin about his pizza
What is your take on this?

[Dude111]

Yes your right....... Kevin didnt start it!!

He didnt start in the 2nd one either,Buzz also did!!!

[Hawkee]

I think why Kevin McCallister wanted to start a fight in Home Alone was so that he wouldn't get to sleep with his younger cousin because they were forcing him to and so he thought he could sleep in Buzz's room with Buzz but as I mentioned in my opening post Buzz wouldn't let Kevin sleep with him in his room so when the pizza arrived Buzz knew he had to do something to annoy Kevin so Buzz ate Kevin's cheese pizza so Kevin wouldn't have pizza. But I think Buzz McCallister is one of the most annoying characters in the Home Alone movies because it seems that every time Kevin McCallister gets in trouble Buzz always takes the blame

[Dude111]

How old is Buzz around 16?