It’s impossible to target all of them, yes. But that’s why BDS creates a targeted list of the worst offenders to concentrate consumer boycott pressure.

Currently the BDS list includes 8 targets, including HP, Sabra, Siemens, Puma, and Soda stream. https://bdsmovement.net/get-involved/what-to-boycott

I split the duo plan with a friend and do annual and it’s $6.30/month for unlimited searches.

I bought my two sensors two years ago now. Haven’t had to replace the batteries yet and no connection issues or anything. I use one of them to turn on the lights at my front door when I open it and it’s always done it’s job quickly. Z-wave so ofc you’ll need a dongle.

$30 rn

https://www.amazon.com/dp/B01N5HB4U5?ref=ppx_pop_mob_ap_share