I have not dug into this enough to really comment on it, but and this is just me, certain misspellings may be from copy - paste - accept in browser spell check when you see the underlines.
Admittedly, I am even hesitant to connect accounts based on spelling mistakes or certain phrases unless if there is something else connecting the accounts whereby the misspellings are just additional pieces of evidence.Some innocent users may end up being potential collateral damage, like in this case Several Accounts Misspelling Manchester City Footballer "Kelvin De Bruyne"
The Quickseller unending drama is older than my existence here, so I will leave it to those who know him more to judge.