Scotland and Ireland were known to recieve social visits from scandinavians. So there could be a reason behind that.

To add to the confusion, in English people might pronounce the article "a" as "ei" (like when reciting "ABC") or "uh" (like the start of "under"). I think most Americans do the latter. I do, at least.

English vowels are weird compared to most continental European languages, to be fair.

I'm a native Greek speaker and to my ears all European languages' vowels are weird with the exception of Spanish, which is completely normal. All those airy sounds: caaat dooog, haaaaouse, taaaaime, etc like a little fish trying to eat a much bigger fish. Let me not start with French, or Italian. Conversely, when I hear myself or another Greek speaker speak English it's like there's a little guillotine in the back of the neck that snaps shut just when a vowel is starting to form: c't, d'g, ta'm, etc.

When learning German it was a revelation that languages could pronounce the same letters in the same way in every word, and therefore you could accurately predict the pronunciation of a word from the spelling.

English does not do this; every word has its own pronunciation, only loosely related to how it is spelled. I think every native English speaker has had the experience of learning a word from reading it, and subsequently mis-pronouncing it because we had to guess at the pronunciation. E.g. I suffered acute embarrassment from mis-pronouncing "Hermione" when talking to a friend about the Potter books. I grew up in the UK but had never met the name before and my guess at pronunciation was entirely reasonable but entirely wrong.

Though I lived for a while in Ireland, and they have it worse. My friend Mebd laughed at me a lot.

Yes, this is also part of the reason why spelling bees are a uniquely American thing - in most other languages it is trivial to predict pronounciation from spelling, so a competition makes no sense.

It's not possible to predict pronunciation from spelling in Russian and there are no spelling bees in russia