Missing multi-millionaire found dead in Taiwan mountains, what went wrong? (Reward 1,000,000 NT$)

Hiker was reported missing 26th March 2022 near Manyueyuan National forest area in TAIWAN.
Victim`s was Vice President Cai Jinguo of Taiwan Pergatron technology.
His daughter publicly offered a reward of 1,000,000 NTD (~35,000 USD).