What you're saying about USAID is a topic for another thread. This thread is about the incineration of usable food.
The food was in a Dubai warehouse because that was the distribution point. USAID was to oversee the actual shipping process via contractors. Didn't you read any of the links?
The bottom line is that the day trump was inaugurated he signed an EO pausing foreign assistance. Then four days later he issued a "stop-work" order for all existing contracts, with limited exceptions. trump cancelled USAID and folded it into the State Department, which sat on all requests to release the food stores.
Read this link. It's only four pages long.
https://sid-us.org/sites/default/files/public/02.05.2025 Stop-Work Order Facts_InterAction.pdf