Put away your 1960s travel guide.
Subjectively, I visited London twice over the last year and it felt fun and bustling.
I had to wonder why London would rated be above Tokyo and I had my answer immediately.
personally I think #1 is overdoing it even though I live there but probably top 5. Depending what you prioritize.
The first two sentences of the wiki reveal both the British nature of the publication and its focus not on great cities but on measuring how large cities are open to investment and trade from foreign markets.
This is as close to approaching no one’s definitions of a great city as I am aware.