I have no idea whether the Oracle internals have been updated, or if they have, when. But I’d guess you’re right about the Oracle being more cramped - it’s got to fit the grinder mechanics in somewhere, some how.
I suspect Sage in general, especially at that price point, suit a specific type of user, and it happened to include me. I’ve had mine (Oracle, but not Touch) for …. erm ….dunno, two or three years, and so far, it hasn’t missed a beat. I was a bit worried about that but, absolutely zero complaints.
Anyway, I entirely take your point, and there are quite a few options for which way to go. Good luck with your hunt.