[swimfar]

Are you sure those are the same bulbs? The ultra efficient versions sold on Amazon have reviews going back to 2017. Supposedly the Dubai-style bulbs were only available in Dubai even a few years ago.

[jsheard]

The Ultra Efficient series only just launched in November: https://www.signify.com/en-gb/our-company/news/press-release...

There must be some kind of listing error on Amazon, maybe an old listing being repurposed without clearing the old reviews.