The removal of omega and coming of advent really was like a renewal, who knows how popular HoloEN would be if they had properly taken advantage of the latter half of the boom and not given Niji the chance to grow at all. The current monopoly is not Hololive's achievement, it is purely luck that their competition is so incompetent, unstable or late to the game.They were in EN in the 2021-2022 period. Staff told them to try not to swear, for example. Vesper also having to hold back a lot as another example when, seeing how he is as Randon, his unleashed self isn't even really that wild.
But yes, being Pinoy also explains her weirdness.