No it wouldn't, you really are inordinately stupid !
Ban by ip address eh ? So you ban Croydon Public Library, large organisations, etc. Within a family group you'll ban the kids because Dad is a bit mischievous.
Neilzulu, how many times do I have to spell this out to your thick head ?
The only people who know how many usernames I have/had are the staff at Answerbank.
You know less than diddly-squat, but you simply can't put this bone down can you ? What about your own aliases ? I know of at least 5 others you use on the quiet.