This, something fishy going on. I don't believe those numbers at all. Seldom does The Red Eclipse have less than 100 people on Fleet during the day, DK is usually around 50 and both Tython and Korriban are more often than not full. If the numbers for TRE are wrong so must be the rest.
Either these videos were recorded just after servers came up after patching or in the very early morning. That or something else I cannot explain (OP having a rather extensive ignore list ).
Regarding megaservers, I think it is best to merge the German and French servers with TRE and leave RP and PvP alone. Those ought to stay separated.
By the way, why are NPC names in green instead of blue?