This is true, but where a business is established through effort and over time then most people would see justification for legal protection by trademark - not opportunistic “land grabs” where no effort has been made (other than paying lawyers) and over time in order to justify such protection (such legal protection which would in itself instantly, and with no physical/business effort, create a “real estate” asset with significant commercial value purely on the back of the legal “land grab”). And then there’s encroachment - extending the “borders” of your real estate into other areas until total control is achieved. Could you set up a local grocery business trading as “Apple”? Pretty soon, I suspect, you’d have a bunch of unsmiling lawyers knocking on your door... Indeed Apple had to pay a price (chicken feed at today’s values ) to buy the trade name from The Beatles who’d created their own Apple Corps music business while Steve Jobs was still an annoying kid at school…
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Edit to add
not living in a big city, I just spotted that Apple already moved into the grocery business years ago… proving the point
https://www.thegrocer.co.uk/stores/apple-paves-way-for-retailers-to-trade-mark-store-layouts/369304.article