[mcv]

That ban on slavery is not being enforced on the rest of the world. The west had no problem playing football in Qatar in stadiums built by slave labour.

[philipallstar]

Well, not any more! This was hundreds of years ago. The British Empire isn't exactly around any more.

[mcv]

What was hundreds of years ago? Several western countries still allowed slavery well into the second half of the 19th century.