It's fine to do that IF they leave it on Strike and only send to cold storage once they hit whatever amount they think is best. For me, that's 1-5M sats. I'm guessing most people are sending out far less than that. Maybe my 1M absolute minimum is way higher than it needs to be and I'm over worrying. I truly don't know.
Discussion
Perhaps they never go on-chain. Many people think it's old-fashioned to own Bitcoin 1st layer.