Thanks for the link. Unfortunately when you choose the options, there is no option select 'buyer used another ID to get around blocks'. The only options are the following;

 

Next, tell us what happened

Buyer demanded something that was not offered in my listing
Buyer made a false claim
Buyer misused returns
Buyer messaged me or retracted their bid with no intention of buying my item
 
Does anyone know how to actually talk to a person at eBay these days, all their help page does is take you around in circles?