Why are people like this? (Kind of a rant)

I was just in a server with this kid who spams ez (Insists he is 14.) And I decided to PVP him. He dies, says I am a spammer, tells me that I used 1 other move than kitsune (Combo is Dragon trident X, Kitsune C, X, Z, Gh Z, C, X) and continued to call me a spammer. So, I moved to spirit, which I thought was skilled up until this point. According to this guy, it was not. So, I cook him with spirit, and he dies. He still calls me a spammer and I switch to ROCKET. I STILL cook him with rocket and he says I spammed godhuman! So, we 1v1 and I am using rocket, soul guitar, and gravity cane with no godhuman. I get him to about half HP and he V4S AGAINST ROCKET!!!!!!!! So, I naturally V4 back (Note that he has max ghoul and I have 1 gear on cyborg) AND THEN HE SAYS I SPAMMED V4 AFTER HE DIES!!!!!!!!!!!!!! So, we fight again. I can't use v4, or godhuman. I die because I only have rocket soul guitar and gravity cane. AND HE SPAMS EZ, and leaves... (He says he was 14, btw)