We cancelled at T-45 or so days before renewal, having determined it wasn't a fit for our client anymore, and they insisted "well, actually, you've renewed anyway!" which, no, we haven't. Absolutely absurd to try to "clickwrap" buried renewal terms in a 20+ page T&C/privacy document rather than as a material point of fact on the actual order form being executed.
Feels like the height of absurdity to try to bully your client into forcing them to use your services against their will when they still gave ample notice that they were cancelling and when there was no material loss to the business, but it's always felt like their revenue team has been unhinged in general: exploding offers, insane terms, super high-pressure sales... part of the reason we left them in the first place.