I think this might be quite hard for beginners: the tricks being used are not obvious but make sense was you have the answer. Not sure how legitimate is the wine misdirection.
FWIW I am registered but not subscribing in the UK and the site works much better than it did. Overseas IP addresses may be the problem but a VPN may solve that.
Having rigid regional English spellings is a fool's game. Lots of "theatres" in the US, including war memorials while the Victorians dropped u s all the time. Having spelling standardised to pronunciation is obviously not going to work as anyone knows who has read any discussion on sound alike clues on any crossword forum ever.