Timeskip being about Orion visiting his folks, maybe. But as Cari had said on Discord...
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...So I'd wager he has the World War for the GoD event planned but he needed to find a way to jump to that following the Wyatt visit AND get Orion's powers up to speed without needlessly dwelling on a training montage. The timeskip was the likely solution to that (though its likely that he thought of the UK trip after pondering his options on what he could use as an excuse for the skip)
The problem with that is the extension of his OP Skill has been Orion's discover or developed, now with that lacking, the use of that is literally a plot device to move forward the narrative when the overall story needed, because he can do whatever he wants at the circumstances require it.
Side stories that help build the relationship with the LIs, sure. But what H is asking for is to provide a glimpse of Orion's life in the UK instead of a skip which, while something that would be nice to see, ultimately would be a pointless endeavour if Cari never calls back to it or utilize it later on in the plot.
"Butbut Orion trained during those times, so it counts for something!" Yes...but I (and likely a lot of Cari's fans and patreons) would rather have him use the time to perfect Yuna's butt jiggle physics when the time comes for Orion to slap them instead of making the effort to plan and choreograph a training montage.
(Also I seem to recall reading a comment of Cari's on Itch.io that he doesn't like choreographing/rendering fight scenes or anything resembling that and he'd like to avoid it unless absolutely necessary (i.e. Ogygia fights, Semper Invicta Colosseum fight), hence the reason why we never directly see Alex going ham on those soldiers and are treated instead to a good ol' tracking shot above the trench while sounds of gunfire and screams and people being torn apart happen below)
And what part of that life the girls aren't part of?, as i stated, the time zone difference isn't at most impossible to schedule for nobody, they still could cellphone text messages, meet and fuck on Eternum as i said before, to see a glance of his life outside Kredon in which he passed most of his unknown to us life but some lil saying by comments from Orion and a flashback of his fathers back watching sports.
There could be meetings inside Eternum and text message to organize the search for information, as Orion's could have met the Eternumite community of UK, and perhaps some friends of Annie that play with her in Eternum. Being witnesses of Orion's progress on his powers in a first glance. But instead of that, it feels unreal, like he haven't communication with the girls once he step UK, all day doing WTF exactly?, meeting his grandpa's home, his dad that he barely see, Annie's and Chang parents to make them sure both are fine in Kredon as they couldn't manage to get in touch with their own offspring (WTF this is serious?) and some random training in which the elf princess develop a stalker behavior.
If you are happy with that, cool for you bro.