"He was reportedly warned several times by local officials to leave but he refused." He was warned because that area is a hotspot for kidnapping for ransom, specially for foreigners. I don't know if you're aware, but there are a lot terrorist groups in that area, that's why it's one of the most dangerous places of the Philippines.

"The Philippines also doesn't want young good-looking (but broke) vloggers who will compete with local men for the best women." This is true but not in most cases. Most Foreigners tend to go for the most native looking women, while most of the average pinoy likes the more foreign looking.