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IMO, I would work on using the Blue Cash right away and prepare for a CLI on the Blue Cash instead of taking another HP. That is, unless you have some other reasonss for wanting a mastercard or visa.
Sometimes, even I feel bad about a card when I experience a bad customer service, who does not care much for me.
But You should always think that there will be CSR of all types, and some do more than you expect and some don't bother much. But any way, BCE will keep you happy instead of C+.