The fact that a new UK / Euro factory has not yet been identified is very concerning, for the Legacy and Prestige lines. But I can report I received excellent support/service from MusicTribe this past month, regarding the order of spare tweeter diaphragms and wood wax for my Canterbury GR. The tweeter boxes had the "designed and manufactured in the UK" stickers on them, for what it’s worth. They look legit.
I like having the Fyne option, but short of an act of God to my Canterburys, I’m not yet tempted to move on. Fyne’s cabinets and dedicated woofer designs remind me of the Tannoy Definition 10T and 10A, both of which I do not like, sonically. Aesthetically - I don't mind the contemporary cabinet designs, but the oiled walnut Prestige cabinets look more beautiful as each year passes. Shiny, glossy things - not so much.