GameStop has closed down all their stores in the United Kingdom

I don't live in the UK, so I could be asking a stupid question, but why move all GameStop operations online except (apparently) for those in the Republic of Ireland?
 
I don't think I've ever seen a GameStop. I've seen GAME and GameStation, but never GameStop, so I guess this doesn't affect me too much.

If there aren't many of them here, it doesn't seem too hard to find a possible reason why they're shutting them down.
 
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