With a 47-day validity already on the calendar for 2029, nobody in their right mind is going to onboard a new service/device without automated renewal in 2026. Same with any kind of contract renewal: are you going to risk staying with the current vendor who is "considering" supporting ACME "at some point in the future", or would you rather ask their competitor who already supports it to make you a nice deal to convince your manager?
Sure, automated cert renewal might be supported by 10% of services right now, but what is that going to look like a couple of years from now when 100% of businesses are pestering their vendors for it, and leaving for competitors if they can't deliver?