Great question — answering as the UphillTech team:
According to the USDA , this is considered unsafe: Perishable foods should never be thawed on the counter, or in hot water and must not be left at room temperature for more than two hours. It’s not immediately clear how long the raw chicken was sitting there defrosting, but the guidance does not recommend that method at all. For water thawing, cold water is an allowed method, however.
Full answer by fyrepenguin: https://cooking.stackexchange.com/a/126712 (CC BY-SA 4.0).
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