sad the pdf states it's for HSBC UK customers basically, unless anyone can suggest otherwise:

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This offer is available from August 1st, 2018
at 12:01am GMT until August 31st, 2018 at
11:59pm GMT.
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To redeem Points for the Avios promotion, you must
be the primary cardholder of an HSBC Premier Credit
Card or HSBC Premier World Elite™ MasterCardŽ
issued by HSBC UK Bank. You must also have a
British Airways Executive Club account in the same
name at the time you request to redeem your Points.
In this document, “Points” are points earned and
credited in connection with the HSBC Premier Credit
Card or HSBC Premier World Elite™ MasterCardŽ
and “Avios” are points in connection with the British
Airways Executive Club