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Mini-USB and Micro-USB have both type A and type B connectors, i.e. were designed for both hosts and end-devices from the beginning.
The USB PD would only become a problem if the manufacturer were to integrate the chip but use a cable that is too small in diameter or not insulated well enough. Given that there is a precedent (FireWire which delivers up to 45 W) without any widespread reports of burning counterfeit cables I think it is reasonable to assume that other dangers like poorly made chargers will be the much bigger threat.
A TB host can accept up to 100 W from a charger, and deliver up to 15 W to end devices. So for the purpose of USB PD it can pose as profile 1 device (5 V * 2 A = 10 W).
The USB PD would only become a problem if the manufacturer were to integrate the chip but use a cable that is too small in diameter or not insulated well enough. Given that there is a precedent (FireWire which delivers up to 45 W) without any widespread reports of burning counterfeit cables I think it is reasonable to assume that other dangers like poorly made chargers will be the much bigger threat.
A TB host can accept up to 100 W from a charger, and deliver up to 15 W to end devices. So for the purpose of USB PD it can pose as profile 1 device (5 V * 2 A = 10 W).
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