at some point unbundling becomes extreme lack of transparency and customer-hostility if not a downright scam.
there are such things as externalities and transaction costs. they are manufacturing externalities and transaction costs to their benefit.
some companies put out the initial product with high-quality parts and as soon as it gets good reviews and traction they sub out cheaper parts. you could say if they didn't do that they'd have to charge more, they are giving early adopters an incentive or something, people should research which parts they are getting and let the market sort it out. if you value your time and expect reliable information from reviewers it's your problem.
today everything is a SaaS and you are permanently in a hostage situation where your car could get remotely downgraded, they could stop supporting it or discontinue a feature.
a market is a set of legal and social conventions and this is a pretty bad one. if you like markets you should want them to not be hellish, which means reasonable rules and conventions.