I don't believe that Charlie Li has sold all the coins. Most likely he has sold them at the highest cost, and then has again bought on minimum and now waits for them growth.
Please read this news
https://www.express.co.uk/finance/city/894657/litecoin-Charlie-Lee-bitcoin-fork there are dozens of medias have published it in the past. Charlie has dumped all of his litecoin to the market and that's fact. It's not a fake news dude.