Their CS has certainly declined in my expierence, too.
I called yesterday and was on hold for 48 min.
Needless to say, I've decided not to apply for the Platinum card, and I recently closed my Gold card due to CS issues I've had in the past.
25 years old. Scores around 740. Income = 45K. Chase Car Loan @ 2.4%, AAOA = 2 years. Total Personal CL = 120k.
