There's no perfect way to custody your Bitcoin. Anyone that says otherwise is probably trying to sell you something (he's kinda got a point here). Some of those things are also really useful depending on your risk model.

When Saylor speaks he's acutely aware of his own risk model. This influences both his stated preferred custody solution & the narrative he's weaving on a broader level. He's aggressively shorting the USD with a publicly traded company. He has to tread carefully in public.

Sailor's good for Bitcoin. 

MSTR is good for Bitcoin. 

Neither are getting my sats if I can help it & I don't have to trust either of them at all.