Even if we go by the series Low 2-C is basically solidified based on statements from the new creator, Doc Wyatt, saying they were realms they were created from scratch.
Plus many scans are from source material, which further solidifies the tier of these characters, Tommy could say Twitter statement is less than Series statement if he wants to, but he likely looked over the source material and pretty much everything relating to the original series. On top of the fact, the community continues to his Twitter statements to this day, unless their contradicted by the new series. There’s no reason why we should exclude his statements at all.