I used Ozempic for couple months. I lost 25kg over 6 months (120kg -> 95kg).

I gained muscle, as I started weightlifting (modified 5x5 program 3-4 times a week) and was supplementing with protein isolate (about 50g a day).

My subjective feeling is that even if "Ozempic makes you lose muscle faster than the same caloric deficit without it" is true, this effect is very small.

Vast majority of muscle loss comes from no resistance exercise, low protein, much faster weight loss than possible "naturally".