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Not a fan of it myself. It does help lifting heavy, but if you get remotely cardio in your workouts, like anything more than 5 reps, you feel like you are going to pass out.
I was doing deads and...

I got a good tip that worked for me. Do your normal stuff, but add on a push up routine:

close grip for 10
shoulder width grip for 10
wide grip for 10
feet raised for 10
hands raised for 10
...

I don't think it's an issue all this dropping weights things. The floors are all reinforced. Better to drop and avoid injury. Of course if you can put them down safely, then do it.

The biggest...

Not putting weights back in the right place, if at all, is one of my gripes.
Our gym has two dumbell racks, one for the big boys, one for the mere mortals. Gets my goat when people mix them up....