I often find that those that continually sign up under new names often make the same mistake of using a particular word or phrase that gives themselves away. Febrile. A quick search of that word shows one prolific user of that word that confirms who you were. On my ignore list you go. Bye.
Shall we apply your logic to the word 'leftie'?
Oh look, there's half a page of numerous usernames (only looked at the first page of results) all being used by one person.
Ivor W, member 294929, SirGallahad, etc, etc.
There's so many I'd be here all day
Let's try the word 'Himmy', see how many different usernames that person has:
Wow, all these usernames being used by one poster!
Unless your theory is as frail as your intellect.
And, according to your search, I am or have been: Ban-all-sheds, durhamplumber, transam, Mottie, Ian H,
And I don't appear in the first half a page.
Your creativity of interpreting results and actual events according to your imagination is well established.
Do you understand the word 'confabulation'? It describes the process of remembering the world and its events as you wish them to have occurred, rather than actual reality.
It was recently used to describe Boris Johnson's memory of events. You seem to share the same problem as Boris.