When I click on the bluetooth icon in the top bar of MacOS it pops out a little list, and each bluetooth option has a toggle next to it where I can click to toggle.
In my version of Gnome, I click at the top bar to open a menu, then click Bluetooth On (or the name of the currently connected device). That pops out a sub-menu, in which I click Bluetooth Settings. That opens a window that lists the paired Bluetooth devices. I can click on one, which opens another window over the top, where I can click a toggle to connect it. I stare at it waiting for it to connect (it's slightly less reliable at this than the Mac[0], so it's worth watching it) and then I click again to close that window, and finally click again to close the window underneath. Actually 7 clicks!
[0] It could be the Mac is no better at this, but the UI interruption is basically zero to check and re-click, so it at least feels better, and I can do other stuff between checking.