Only to ask for meals and/or drink refills. Otherwise the FAs always proactively closed the suite door.

It was that way for me on all 4 QSuite segments. It wasn’t a bother for me, it just felt a tad impersonal.

Not sure how else you would order food on demand, sans going over to the galley and requesting. I did not want to congregate in the aisle as they were moving about.