Thermostatic (shower) tap. They are pretty common where I live in Europe. They actively adjust the water mix to stabilize output temperature. Also great for when somebody flushes the toilet or turns on a tap elsewhere in the house while you’re showering.

I mean, it’ll be unpopular if you post that on bootlicker social. I mean LinkedIn.

Leveraging people’s property to trash their privacy and serve them ads is really a good way to get me to avoid an entire brand for everything.

Even though mom and pop stores are mostly dead, Amazon’s market share is thankfully still relatively contained where I live. So it’s still simply a matter of just picking a different “big box store” to order your things from.