that’s the whole point of the article though. Why should the “huge burden on the teams who maintain the stuff” be shifted to the customer who has less resources

that’s the whole point of the article though. Why should the “huge burden on the teams who maintain the stuff” be shifted to the customer who has less resources than Google to manage that burden. 12-15 months is not a long time. If you have to rebuild things that already work every year, you’re wasting a lot of time that could be spent building value for your customers.