Comment by MereInterest

Yup. The most prominent I can remember are the Beats By Dre headphones, where about a third of the weight is from metal parts that are either purely decorative, or whose functionality does not at all depend on being made of metal, based on a 2020 teardown [0,1].

[0]: https://beneinstein.medium.com/how-it-s-made-series-beats-by... [1]: https://beneinstein.com/how-it-s-made-series-yup-our-beats-w...