I worry about all the health data these watches collect, I don't feel comfortable about this data being shared with companies I distrust. I did use a Galaxy Gear for a while, got it on a bundle with a Samsung phone, but I didn't find it very useful, it was disracting if anything, plus it was one more thing to run of of battery, so eventually I just sold it. Don't miss it.
True. There is an app called 'GadgetBridge' [available on F Droid] that aims to replace propreitary connections with a FOSS variant so that watch related data remains just on phone and only used for phone-wair sync purposes. Too bad only some devices are supported. I don't think any of Samsung's Galaxy series [Wear OS] is supported as of now.