I find this move concerning, and wish that the Founder had looked for a new CEO that shared his values rather than a Private Equity and Mergers Expert.
Furthermore, the change to the GRIT motto is worrying. Trust is useless without Transparency when it comes to code and security.
Syncthing on the phone seems to use up a lot of battery, though.
If you don’t need real time sync you can disable background use of the app. That’s what I’ve done, and I just open the app when I need to update. Probably a smarter way to do it, but it works for me.