If you find that unacceptable you can always jump ship. I'm fond of Flexibits' $5 Fantastical. Although its design lends itself best to an iPhone or iPod touch, I find it quite serviceable on an iPad mini. Like Calendar it syncs with iCloud, Google calendar, and Exchange. It presents a completely readable Week and Month view, it supports invitations, and regardless of which view you choose you can see a list of events at the bottom of the screen. Currently it doesn't have the "iOS 7 sheen," but given your complaints that may not be such a bad thing.
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