“… Tapping without clicking on the four edges of the touch surface seems to work for navigation for now but this is absurd.” –https://old.reddit.com/r/appletv/comments/1tadrzw/touch_remote_youtuve/ol8nnw4/?share_id=tkW1Hfc_ouDU7JFTeXLUW&context=3
Hopefully Apple and Google will fix/revert this change soon since this is annoying to everyone including me.