Stop white knighting and simping disney-marvel and ask yourself the question that which one is more likely: making it the regular, typical disney-styled, child friendly tone exactly like everything - everything - from the past ten years of the MCU, the tone they are familiar with to maximalize the profit and reach the widest audience possible or copying the netflix tone that they are unfamiliar with and the tone that nothing hints at their willingness to do such.
The tv-ma category on disney+ is made specifically because they got new properties by buying fox that belongs into that category and they still wanted money out of those properties.
Nothing says that they made that age-restricted section because they are about to do more such things.