Do you mean the Marbella model? They can be dimmed with the remote control. Ask the manufacturer if one remote can also control 2 transformers. Switching on and off with the main switch and dimming with a remote control is not a disadvantage from my point of view.
I do see it as a disadvantage that you depend on the remote control.
Yes, the remote control is nice, but if you misplace it or something, then you're stuck.
And if we retrofit Smart Home, for example with Homematic IP, it would be very good if the Smart Home could not only switch the lighting on and off but also dim it always to the desired level.
Yes, I meant the Cree LED recessed spotlight Marbella base, the model should be compatible with a wall dimmer.